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Overview
| Topology | SEPIC Buck-Boost Topology |
| Input voltage | 6-20 V |
| Output 1 | 45 V / 0.33 A |
| IC revision | 4 |
Description
This application note describes a circuit developed asan LED driver solution for automotive applications. Theflexible control capabilities of Microchip’s PIC16F17698-bit microcontroller allow the LED driver to maintainconstant LED current, provide enhanced dimmingperformance, increase the lifespan of the LEDs andadd safety features.The use of the core independent peripherals (CIP) ofthe PIC16F1769 permits the LED driver’s power train tooperate in a Fixed-Frequency Continuous Conductionmode and regulate the LED current using Peak Currentmode control
Features
Fully-Compensated High Bandwidth Peak CurrentControl
- PWM Dimming Control
- Transient and Reversed Input Voltage Protection
- Input Under- and Overvoltage Protection
- Output Overvoltage Protection
- Short-Circuit Protection
- Over Temperature Protection
- Fault Output Indicator
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IR (A) | ISAT (A) | RDC max. (Ω) | fres (MHz) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744773014 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD2 SMT Power Inductor | 1.4 | 3.4 | 5.04 | 0.056 | 103 |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 744773014 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IR (A) | ISAT (A) | RDC max. (Ω) | fres (MHz) | Samples |
|---|