A8513KLYTR-T
A8513KLYTR-T Datasheet
A8513
| Part | Datasheet |
|---|---|
A8513KLYTR-T |
A8513KLYTR-T (pdf) |
| Related Parts | Information |
|---|---|
A8513KLPTR-T |
A8513KLPTR-T |
| PDF Datasheet Preview |
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| A8513 Wide Input Voltage Range, High Efficiency Fault Tolerant LED Driver • AEC-Q100 Qualified • Wide input voltage range of to 40 V for start/stop, cold crank and load dump requirements • Boost converter switching frequency up to 2 MHz, allowing operation above the AM band • Excellent input voltage transient response • Internal secondary OVP for redundant protection • Fully integrated LED current sink and boost converter with 60 V DMOS FET • Maximum LED current of 150 mA • Drives up to 14 series LEDs • Single EN/PWM pin interface for PWM Dimming and Enable function • 5000:1 PWM dimming at 200 Hz Continued on the next Packages: Not to scale 16-pin TSSOP with exposed thermal pad LP package 10-pin MSOP with exposed thermal pad LY package The A8513 is a single-output white LED WLED driver for LCD backlighting. It integrates a current-mode boost converter with an internal power switch and one current sink. The A8513 can operate from a single power supply from to 40 V, to accommodate start/stop, cold crank, and load dump requirements. A 2 MHz boost converter switching frequency allows the A8513 to operate above the AM radio band. If required, the fault flag can be used as part of a circuit to drive an external P-FET to disconnect the input supply from the system in the event of a fault. The A8513 provides protection against output short and overvoltage, open or shorted diode, open or shorted LED pin, shorted boost switch or inductor, shorted ISET resistor, and IC overtemperature. A dual level cycle-bycycle current limit function provides soft start and protects the internal current switch against high current overloads. The A8513 is provided in a 10-pin MSOP package suffix LY and a 16-pin TSSOP package suffix LP . Both packages have an exposed thermal pad for enhanced thermal dissipation, and are lead Pb free, with 100% matte tin leadframe plating. Applications: • LCD backlighting for Automotive infotainment Automotive cluster Automotive center stack Industrial LCD displays Portable DVD players Flatbed Scanners LED Lighting VIN CIN VC CVDD RISET Typical Application Circuit VOUT SW VIN A8513 OVP VDD PAD FAULT ROVP1 ROVP2 EN/PWM ISET LED COMP COUT RZ Optional CZ Optional Boost fSW MHz VIN min V 5 10 8 6 5 LEDs per String max 14 12 9 7 A8513 Wide Input Voltage Range, High Efficiency Fault Tolerant LED Driver Features and Benefits continued • Fault flag pin to alert the controller to a myriad of possible fault conditions |
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