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参数资料
| 型号： | A8513KLPTR-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 1/25页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR AUTO BCKLGHT 16TSSOP |
| 特色产品： | Allegro A8513 LED Driver |
| 标准包装： | 1 |
| 拓扑： | PWM，SEPIC，升压（升压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 车载，背光 |
| 类型 - 次要： | 白色 LED |
| 频率： | 1.8MHz ~ 2.2MHz |
| 电源电压： | 4.5 V ~ 40 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm）裸露焊盘 |
| 供应商设备封装： | 16-TSSOP-EP |
| 包装： | 标准包装 |
| 工作温度： | -40°C ~ 125°C |
| 其它名称： | 620-1440-6 |
A8513
Wide Input Voltage Range, High Efficiency
Fault Tolerant LED Driver
Features and Benefits
? AEC-Q100 Qualified
? Wide input voltage range of 4.5 to 40Vfor 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 page…
Packages:
16-pin TSSOP
with exposed thermal pad
(LP package)
Not to scale
10-pin MSOP
with exposed thermal pad
(LY package)
Description
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 4.5 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
I SET resistor, and IC overtemperature. A dual level cycle-by-
cycle 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
Typical Application Circuit
V IN
L1
D1
VOUT
C IN
V C
C VDD
R ISET
VIN
VDD
FAULT
EN/PWM
ISET
SW
A8513
PAD
GND
OVP
LED
COMP
C P
R OVP1
R OVP2
C OUT
R Z (Optional)
Boost f SW
(MHz)
0.25/0.5/1
2
2
2
2
V IN (min)
(V)
5
10
8
6
5
LEDs per
String (max)
14
14
12
9
7
C Z (Optional)
A8513-DS Rev. 3
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相关代理商/技术参数 |
参数描述 |
|---|---|
| A8513KLYTR-1-T | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Wide Input Voltage Range, High Efficiency Fault Tolerant LED Driver |
| A8513KLYTR-2-T | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Wide Input Voltage Range, High Efficiency Fault Tolerant LED Driver |
| A8513KLYTR-3-T | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Wide Input Voltage Range, High Efficiency Fault Tolerant LED Driver |
| A8513KLYTR-T | 功能描述:IC LED DRVR AUTO BCKLGHT 10MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 特色产品:LM3445 TRIAC Dimmable LED Driver 标准包装:55 系列:PowerWise® 恒定电流:是 恒定电压:- 拓扑:PWM，降压（降压） 输出数:1 内部驱动器:无 类型 - 主要:- 类型 - 次要:高亮度 LED（HBLED） 频率:30kHz ~ 1MHz 电源电压:8 V ~ 12 V 输出电压:- 安装类型:表面贴装 封装/外壳:14-SOIC（0.154"，3.90mm 宽） 供应商设备封装:14-SOICN 包装:管件 工作温度:-40°C ~ 125°C 产品目录页面:1285 (CN2011-ZH PDF) 其它名称:LM3445M |
| A8514 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:The A8514 is a multi-output white LED driver for small-size LCD backlighting. |
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