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BD83740HFP-M fiches techniques PDF

ROHM Semiconductor - 50V 500mA 1ch Source Driver

Numéro de référence BD83740HFP-M
Description 50V 500mA 1ch Source Driver
Fabricant ROHM Semiconductor 
Logo ROHM Semiconductor 





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BD83740HFP-M fiche technique
Datasheet
Constant Current LED Drivers
50V 500mA
1ch Source Driver for Automotive
BD83740HFP-M
General Description
BD83740HFP-M is 50V-withstanding LED source drivers.
Most suitably for Automotive
LED driving, it can control light through PWM of constant
current output.
Having LED open detective function and overvoltage mute
function integrated, it can deliver high reliability.
Also by utilizing our patented PBUS function, it is possible
to turn OFF all LEDs in case where a row of LEDs are
opened if multiple rows of LEDs are driven through
multiple number of the ICs.
Key Specifications
Input Voltage Range: 4.5V to 42V
Max Output Current: 500mA (Max)
Output Current Accuracy: ±5% (Max)
Operating Temperature Range: -40°C to +125°C
Packages
HRP7
W(Typ) x D(Typ) x H(Max)
9.395mm x 10.540mm x 2.005mm
Features
AEC-Q100 Qualified(Note1)
Variable form Constant-Current Source Driver
PWM Dimming Function
CR Timer for PWM Dimming Function Integrated
LED Open detective Function Integrated
Overvoltage Mute and Temperature Protection
Functions Integrated
Abnormal Output Detection and Output Functions
(PBUS)
(Note1: Grade 1)
Application
On-board Exterior Lamp
(Rear Lamp, Turn Lamp, DRL/Position Lamp,
Fog Lamp, etc.)
On-board Interior Lamp
(Air Conditioner Lamp, Interior Lamp,
Cluster Light, etc.)
HRP7
Basic Application Circuit
PWM_in
DC_in
+B
D1
ZD1
D2
D3
RPBUS
RVIN_F
CVIN
CCRT RCRT
VIN_F
VIN
IOUT
CRT BD83740HFP-M
DISC
PBUS
FIN
GND
CIOUT
Figure 1. Typical Application Circuit
Product configuration: Silicon monolithic integrated circuit
www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
The product is not designed for radiation resistance.
1/28
TSZ02201-0T1T0C700170-1-2
06.Sep.2016 Rev.002

PagesPages 30
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