LP8867QPWPRQ1 LED Lighting Drivers: Pinout and Datasheet
PMIC Automotive, AEC-Q100 Series LP8867 300kHz~2.2MHz 12V 20-TSSOP (0.173, 4.40mm Width) Exposed Pad









PMIC Automotive, AEC-Q100 Series LP8867 300kHz~2.2MHz 12V 20-TSSOP (0.173, 4.40mm Width) Exposed Pad
LP8867QPWPRQ1 is a kind of highly-integrated, 4-channel 120-mA automotive LED driver. This passage is going to cover the perspectives of its datasheet, pinout, manufacturer, and features.
LP8867QPWPRQ1 Description
LP8867QPWPRQ1 is an automotive highly integrated, low-EMI, easy-to-use LED driver with a DCDC converter. The DC-DC converter supports both boost and SEPIC mode operation. The device has
four or three high-precision current sinks that can be combined for higher current capability.
The DC-DC converter has adaptive output voltage control based on the LED forward voltages. This
feature minimizes the power consumption by adjusting the voltage to the lowest sufficient level in all conditions. For EMI reduction DC-DC supports spread spectrum for switching frequency and an external synchronization with a dedicated pin. A wide-range adjustable frequency allows the LP8867QPWPRQ1 to avoid disturbance for the sensitive frequency band.
The input voltage range for the LP8867QPWPRQ1 is from 4.5 V to 40 V to support automotive start-stop and load dump conditions. LP8867QPWPRQ1 integrates extensive fault detection features.
LP8867QPWPRQ1 CAD Models
Symbol
Footprint
3D Models
LP8867QPWPRQ1 Application
Automotive
Advanced driver assistance systems (ADAS)/Body electronics & lighting/Hybrid, electric & powertrain systems/Infotainment & cluster
2.Communications equipment
Broadband fixed-line access/Datacom module/Wired networking/Wireless infrastructure
3.Personal electronics
Connected peripherals & printers/Data storage/Gaming/Home theater & entertainment/Mobile phones/PC & notebooks/Portable electronics/Tablets/TV/Wearables (non-medical)
LP8867QPWPRQ1 Functional Models
LP8867QPWPRQ1 has 5 states totally.
① STANDBY State
The LP886x-Q1 enters STANDBY state when the VIN voltage powers on and voltage is higher than VINUVLO rising threshold, which is 4-V typical. In the STANDBY state, the device is able to detect VDDIO/EN signals. When VDDIO/EN is pulled high, the internal LDO wakes up and the device enters into a SOFT START state. The device will re-enter the STANDBY state when VDDIO/EN is pulled low for more than 50 µs.
② SOFT START State
In the SOFT START state, Power-line FET is enabled, and boost input and output capacitors are charged to VIN level. VIN_OCP, VIN_OVP, VIN_UVLO, SW_OVP, and TSD fault are active. After 65 ms, the device enters into the BOOST START state.
③ BOOST START State
In the BOOST START state, the DC-DC controller is turned on, and boost voltage is ramped to the initial boost voltage level with a reduced current limit. VIN_OCP, VIN_OVP, VIN_UVLO, SW_OVP, and TSD fault are active in this state. After 50 ms, LED outputs to do a one-time detection on grounded outputs. Grounded outputs are disabled and excluded from the adaptive voltage control loop. Then the device enters into a NORMAL state.
④ NORMAL State
In the NORMAL state, LED drivers are enabled when the PWM signal is high. All faults are active in this state. Fault pin will be released high in the start of NORMAL state if recovering from FAULT RECOVERY state and no fault is available.
⑤ FAULT RECOVERY State
Non-LED faults can trigger a fault recovery state. LED drivers, boost converter, and power-line FET are all disabled. After 100 ms, the device attempts to restart from the SOFT START state if VDDIO/EN is still high.
LP8867QPWPRQ1 Features
• AEC-Q100 Qualified for automotive applications:
– Device temperature grade 1:–40°C to +125°C, TA
• Functional safety capable
– Documentation available to aid functional safety system design
• 3-, 4-Channel 120-mA current sinks
– High dimming ratio of 10 000:1 at 100 Hz
– Current matching 1% (typical)
– LED String current up to 120 mA per channel
– Outputs can be combined externally for higher current per string
• Integrated boost and SEPIC converter for LED string power
– Input voltage operating range 4.5 V to 40 V
– Output voltage up to 45 V
– Integrated 3.3-A Switch FET
– Switching frequency 300 kHz to 2.2 MHz
– Switching synchronization input
– Spread spectrum for lower EMI
• Fault detection and protection
– Fault output
– Input voltage OVP, UVLO, and OCP
– Boost block SW OVP and output OVP
– LED open and short fault detection
– Power-Line FET control for battery bus protection
– Automatic LED current reduction with external temperature sensor
– Thermal shutdown
LP8867QPWPRQ1 Package
LP8867QPWPRQ1 Manufacturer
Texas Instruments Incorporated (TI) is an American technology company based in Dallas, Texas, that designs and manufactures semiconductors and integrated circuits for electronic designers and manufacturers around the world. Based on sales volume, it is one of the top ten semiconductor companies in the world. Analog chips and embedded processors, which account for more than 80% of the company's revenue, are the company's main focus. TI also makes calculators, microcontrollers, and multi-core processors, as well as TI digital light processing technology and education technology. As of 2016, the company had 45,000 patents worldwide.
Specifications
- TypeParameter
- Factory Lead Time8 Weeks
- Mounting Type
The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.
Surface Mount - Package / Case
refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.
20-TSSOP (0.173, 4.40mm Width) Exposed Pad - Surface Mount
having leads that are designed to be soldered on the side of a circuit board that the body of the component is mounted on.
YES - Operating Temperature
The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.
-40°C~125°C TA - Packaging
Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.
Tape & Reel (TR) - Series
In electronic components, the "Series" refers to a group of products that share similar characteristics, designs, or functionalities, often produced by the same manufacturer. These components within a series typically have common specifications but may vary in terms of voltage, power, or packaging to meet different application needs. The series name helps identify and differentiate between various product lines within a manufacturer's catalog.
Automotive, AEC-Q100 - JESD-609 Code
The "JESD-609 Code" in electronic components refers to a standardized marking code that indicates the lead-free solder composition and finish of electronic components for compliance with environmental regulations.
e4 - Pbfree Code
The "Pbfree Code" parameter in electronic components refers to the code or marking used to indicate that the component is lead-free. Lead (Pb) is a toxic substance that has been widely used in electronic components for many years, but due to environmental concerns, there has been a shift towards lead-free alternatives. The Pbfree Code helps manufacturers and users easily identify components that do not contain lead, ensuring compliance with regulations and promoting environmentally friendly practices. It is important to pay attention to the Pbfree Code when selecting electronic components to ensure they meet the necessary requirements for lead-free applications.
yes - Part Status
Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.
Active - Moisture Sensitivity Level (MSL)
Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures
3 (168 Hours) - Number of Terminations20
- TypeDC DC Regulator
- Terminal Finish
Terminal Finish refers to the surface treatment applied to the terminals or leads of electronic components to enhance their performance and longevity. It can improve solderability, corrosion resistance, and overall reliability of the connection in electronic assemblies. Common finishes include nickel, gold, and tin, each possessing distinct properties suitable for various applications. The choice of terminal finish can significantly impact the durability and effectiveness of electronic devices.
Nickel/Palladium/Gold (Ni/Pd/Au) - Applications
The parameter "Applications" in electronic components refers to the specific uses or functions for which a component is designed. It encompasses various fields such as consumer electronics, industrial automation, telecommunications, automotive, and medical devices. Understanding the applications helps in selecting the right components for a particular design based on performance, reliability, and compatibility requirements. This parameter also guides manufacturers in targeting their products to relevant markets and customer needs.
Automotive, Backlight - Terminal Position
In electronic components, the term "Terminal Position" refers to the physical location of the connection points on the component where external electrical connections can be made. These connection points, known as terminals, are typically used to attach wires, leads, or other components to the main body of the electronic component. The terminal position is important for ensuring proper connectivity and functionality of the component within a circuit. It is often specified in technical datasheets or component specifications to help designers and engineers understand how to properly integrate the component into their circuit designs.
DUAL - Terminal Form
Occurring at or forming the end of a series, succession, or the like; closing; concluding.
GULL WING - Number of Functions1
- Supply Voltage
Supply voltage refers to the electrical potential difference provided to an electronic component or circuit. It is crucial for the proper operation of devices, as it powers their functions and determines performance characteristics. The supply voltage must be within specified limits to ensure reliability and prevent damage to components. Different electronic devices have specific supply voltage requirements, which can vary widely depending on their design and intended application.
12V - Frequency
In electronic components, the parameter "Frequency" refers to the rate at which a signal oscillates or cycles within a given period of time. It is typically measured in Hertz (Hz) and represents how many times a signal completes a full cycle in one second. Frequency is a crucial aspect in electronic components as it determines the behavior and performance of various devices such as oscillators, filters, and communication systems. Understanding the frequency characteristics of components is essential for designing and analyzing electronic circuits to ensure proper functionality and compatibility with other components in a system.
300kHz~2.2MHz - Base Part Number
The "Base Part Number" (BPN) in electronic components serves a similar purpose to the "Base Product Number." It refers to the primary identifier for a component that captures the essential characteristics shared by a group of similar components. The BPN provides a fundamental way to reference a family or series of components without specifying all the variations and specific details.
LP8867 - JESD-30 Code
JESD-30 Code refers to a standardized descriptive designation system established by JEDEC for semiconductor-device packages. This system provides a systematic method for generating designators that convey essential information about the package's physical characteristics, such as size and shape, which aids in component identification and selection. By using JESD-30 codes, manufacturers and engineers can ensure consistency and clarity in the specification of semiconductor packages across various applications and industries.
R-PDSO-G20 - Number of Outputs3
- Voltage - Output
Voltage - Output is a parameter that refers to the electrical potential difference between the output terminal or pin of an electronic component and a reference point, typically ground. It indicates the level of voltage that the component is capable of providing at its output under specified operating conditions. This parameter is crucial in determining the performance and functionality of the component in a circuit, as it directly affects the signal or power being delivered to other components or devices connected to the output. Engineers and designers use the voltage output specification to ensure compatibility and proper functioning of the component within the overall system.
6V~45V - Topology
In the context of electronic components, "topology" refers to the arrangement or configuration of the components within a circuit or system. It defines how the components are connected to each other and how signals flow between them. The choice of topology can significantly impact the performance, efficiency, and functionality of the electronic system. Common topologies include series, parallel, star, mesh, and hybrid configurations, each with its own advantages and limitations. Designers carefully select the appropriate topology based on the specific requirements of the circuit to achieve the desired performance and functionality.
SEPIC, Step-Up (Boost) - Internal Switch(s)
The term "Internal Switch(s)" in electronic components typically refers to a built-in mechanism within a device that allows for the control of electrical current flow. These internal switches can be used to turn circuits on or off, change the direction of current, or regulate the flow of electricity within the component. They are often designed to be controlled externally, either manually or automatically, to enable various functions or operations within the electronic device. Internal switches play a crucial role in the overall functionality and performance of electronic components by providing a means to manage and manipulate electrical signals effectively.
Yes - fmax-Min
fmax-Min refers to the frequency range that an electronic component or system can operate within. It represents the difference between the maximum frequency (fmax) and the minimum frequency (Min) limits of operation. This parameter is crucial in defining the bandwidth of the component, indicating how effectively it can transmit or receive signals over that range. A wider fmax-Min value typically signifies better performance for applications that require broad frequency response.
0.02 MHz - Dimming
Dimming is a feature in electronic components, such as LED lights or display screens, that allows the user to adjust the brightness level of the device. It is a method of controlling the amount of light output by the component, typically by varying the voltage or current supplied to it. Dimming can be achieved through various techniques, such as pulse-width modulation (PWM) or analog dimming. This feature is commonly used to save energy, create ambiance, or enhance visual comfort in different applications.
PWM - Number of Segments32
- Voltage - Supply (Max)
Voltage - Supply (Max) is a parameter in electronic components that specifies the maximum voltage that can be safely applied to the component for proper operation. This parameter is crucial for ensuring the component's longevity and preventing damage due to overvoltage conditions. Exceeding the maximum supply voltage can lead to component failure, reduced performance, or even permanent damage. Designers must carefully consider this parameter when selecting components and designing circuits to ensure reliable and safe operation within the specified voltage limits.
45V - Voltage - Supply (Min)
Voltage - Supply (Min) is a parameter in electronic components that specifies the minimum voltage required for the component to operate within its specified performance range. This parameter indicates the lowest voltage level that can be safely applied to the component without causing malfunctions or damage. It is crucial to ensure that the supply voltage provided to the component is equal to or higher than the specified minimum voltage to guarantee proper functionality and reliability. Failure to meet this requirement may result in erratic behavior, reduced performance, or even permanent damage to the component.
4.5V - Multiplexed Display Capability
Multiplexed Display Capability refers to the ability of an electronic component or system to control multiple display elements using fewer input/output lines. This is achieved by rapidly switching between different displays or segments, allowing for efficient communication and reduced wiring complexity. In multiplexed systems, each display is activated sequentially, creating the illusion of simultaneous display to the user. This capability is commonly utilized in devices like LED matrices and LCD screens to enhance functionality while conserving space and resources.
NO - RoHS Status
RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.
ROHS3 Compliant
Trend Analysis
Datasheet PDF
- Datasheets :
Parts with Similar Specs
What’s the dimensions of LP8867QPWPRQ1?
Height:1.2mm/Length:6.5mm/Thickness:1mm/Width:4.4mm
How many pins does LP8867QPWPRQ1 have?
It has 20 pins.
What is adaptive boost control?
The LP886x-Q1 DC/DC converter generates the supply voltage for the LEDs. During normal operation, the boost output voltage is adjusted automatically based on the LED cathode voltages. This is called adaptive boost control.
When choosing an inductor, what should be considered?
There are two considerations: the inductor must not saturate, and the inductor current ripple must be small enough to achieve the desired output voltage ripple.
Where does LP8867QPWPRQ1 can be applied?
The LP8867QPWPRQ1 is designed for automotive applications. The input voltage (VIN) is intended to be connected to the automotive battery, which supports a voltage range from 4.5 V to 40 V. Device internal circuitry is powered from the integrated LDO.
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