Imagens apenas para referência
LP8867QPWPRQ1
+Lista de MateriaisIC LED DRVR RGLTR PWM 20HTSSOP
-
FabricanteTexas Instruments
-
Peça do Fabricante #LP8867QPWPRQ1
-
Pacote HTSSOP-20
-
Em Estoque5381
365 Garantia de Qualidade em 1 dia
7*24 Garantia de serviço em 24 horas
90-Garantia de pós-venda em 1 dia
Garantia de Produto Genuíno
Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | Automotive, AEC-Q100 |
| Part Status | Active |
| Type | DC DC Regulator |
| Topology | SEPIC, Step-Up (Boost) |
| Internal Switch(s) | Yes |
| Number of Outputs | 3 |
| Voltage - Supply (Min) | 4.5V |
| Voltage - Supply (Max) | 45V |
| Voltage - Output | 6V ~ 45V |
| Current - Output / Channel | 120mA |
| Frequency | 300kHz ~ 2.2MHz |
| Dimming | PWM |
| Applications | Automotive, Backlight |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
Visão Geral
Description
Key features include adaptive headroom control, which optimizes power efficiency by adjusting the voltage supply to match the LED string requirements, and a high PWM dimming ratio for precise brightness control. The LP8867QPWPRQ1 also offers a fault detection mechanism that enhances system reliability by identifying and reporting issues like open or short circuits.
With its AEC-Q100 qualification, the LP8867QPWPRQ1 meets rigorous automotive standards for reliability and performance. This makes it an ideal solution for applications like automotive display backlighting, exterior lighting, and interior ambient lighting, where consistent light quality and energy efficiency are crucial.
Equivalent
1. Texas Instruments TPS61194-Q1: A 4-channel LED driver for automotive applications.
2. Maxim Integrated MAX16834: A high-brightness LED driver.
3. On Semiconductor NCV78663: Automotive-grade LED driver with integrated boost converter.
4. Infineon LITIX™ Automotive LED Drivers: Offers a range of options for automotive lighting.
Each alternative varies in specific features, so selection depends on particular application requirements.
Features
1. High Efficiency: It uses a boost converter with adaptive output voltage control for optimized power efficiency.
2. Current Control: The device provides precise current regulation to ensure consistent LED brightness.
3. Flexibility: It supports a wide range of input voltages and can drive multiple LED strings, making it versatile for different applications.
4. Dimming Capability: The LP8867QPWPRQ1 offers PWM and analog dimming options, allowing for smooth brightness adjustments.
5. Protection Features: It includes fault detection and protection mechanisms such as overvoltage, undervoltage, overcurrent, and thermal shutdown to enhance reliability.
6. Automotive Grade: Qualified for automotive applications, it meets stringent industry standards for performance and durability.
These features make the LP8867QPWPRQ1 suitable for use in automotive headlamps, tail lights, and other LED-based lighting systems.
Pinout
Key functions and features include:
- Multi-channel LED Driver: Capable of driving up to four LED strings.
- Dimming Control: Supports both analog and PWM dimming for precise brightness control.
- High Efficiency: Designed to provide high efficiency across a wide range of input voltages and conditions.
- Automotive Grade: Qualified for automotive applications with robust performance.
- Protection Features: Includes over-temperature, over-voltage, and short-circuit protection to ensure safe operation.
The LP8867QPWPRQ1 is primarily used in applications where reliable and efficient LED control is required, such as automotive lighting systems and other high-performance LED applications.