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LP8866SQRHBRQ1
+Lista de MateriaisIC LED DRV CTRL PWM 150MA 32VQFN
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FabricanteTexas Instruments
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Peça do Fabricante #LP8866SQRHBRQ1
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Ficha Técnica LP8866SQRHBRQ1 DataSheet
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Especificações
| Atributo | Valor |
| Part Status | Active |
| Type | DC DC Controller |
| Topology | SEPIC, Step-Up (Boost) |
| Internal Switch(s) | No |
| Number of Outputs | 6 |
| Voltage - Supply (Min) | 3V |
| Voltage - Supply (Max) | 5.5V |
| Voltage - Output | 0V ~ 48V |
| Current - Output / Channel | 150mA |
| Frequency | 100kHz ~ 2.2MHz |
| Dimming | Analog, I2C, PWM |
| Applications | Backlight |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | Automotive |
| Qualification | AEC-Q100 |
| Mounting Type | Surface Mount, Wettable Flank |
| Package / Case | 32-VFQFN Exposed Pad |
| Supplier Device Package | 32-VQFN (5x5) |
| Base Product Number | LP8866 |
Visão Geral
Description
The LP8866 offers low quiescent current, enhancing efficiency, especially in battery-operated systems. It supports various output voltage configurations, adjustable via external resistors, allowing flexibility in design. Its compact package size makes it ideal for space-constrained applications.
This LDO is part of Texas Instruments' extensive portfolio of automotive-grade components, ensuring compliance with stringent automotive standards and long-term availability. Overall, the LP8866SQRHBRQ1 is an excellent choice for designers seeking robust voltage regulation solutions in automotive and industrial applications.
Equivalent
Features
1. Wide Input Voltage Range: Operates from 4.5V to 40V, suitable for various automotive power environments.
2. High Output Current: Delivers up to 1.5A per channel, enabling bright LED lighting solutions.
3. Programmable Current Control: Features adjustable output current for precise LED brightness control.
4. Fault Protection: Includes thermal shutdown, over-voltage protection, and short-circuit protection to enhance reliability.
5. PWM Dimming: Supports both analog and PWM dimming methods, allowing for flexible LED control.
6. High Efficiency: Designed for minimal power loss, enhancing overall system efficiency.
7. Multiple Channels: Capable of driving multiple LED strings, making it versatile for various lighting configurations.
8. Automotive Qualification: AEC-Q100 compliant, ensuring reliability and performance in automotive environments.
These features make the LP8866SQRHBRQ1 ideal for use in automotive lighting applications, including headlights, taillights, and interior lighting.
Pinout
Pin functions include:
1. VDD - Supply voltage input.
2. GND - Ground connection.
3. SW - Switch node for connecting the inductor in boost configurations.
4. VIN - Input voltage for powering the device.
5. COMP - Compensation network connection for stability.
6. CSN and CSP - Current sense resistor connections for LED current control.
7. LEDN - LED negative terminal connection.
8. LEDOUT - LED positive terminal output.
9. EN - Enable pin to turn the device on/off.
10. Rset - Resistor connection to set the output current.
11. ISET - Current setting input.
12. PWM - Pulse Width Modulation control input for dimming.
13. FAULT - Fault indication output.
14. VREF - Reference voltage output.
15. NC - No Connect (not internally connected).
This LED driver is optimized for performance, efficiency, and reliability in automotive lighting applications.