1.5A LED Camera Flash Driver
with I2C Compatible Interface
BD7710GWL
●General Description
●Key Specifications
The BD7710GWL is 1.5A Flash LED Driver with
Synchronous rectification step up DC/DC converter that
can drive 3LED.
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■
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VBAT Input voltage
2.7V to 5.5V
-40℃ to +85℃
3.0μA(MAX)
1.6A(MAX)
Operating temperature range
Quiescent Current
LED Current
It is possible to set by I2C interface.
With synchronous rectification (no external schottky
barrier diode required) and small package, they can
save mount space.
Switching frequency
2MHz(typical)
●Packages
UCSP50L2
●Features
1) Synchronous rectification step-up DC/DC
converter.(no external S.B.D.)
2) 3 channel current driver (maximum total 1.6A)
3) It is possible to control register by I2C interface
4) Programmable lighting mode
5) Programmable LED current
6) Programmable Battery drop protection
7) Programmable Flash timer
8) Rich safety function
1.90 ㎜×2.10 ㎜×0.55 ㎜(MAX)
●Applications
Over Current Protection (OCP)
Over Voltage Protection (OVP)
VOUT Short Protection
LED short/open Protection
UVLO
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Single/Dual/Triple White LED Flash Supply for
Cell Phones and Smart-Phones
DSC,DVC
Video Lighting for Digital Video Applications
Amusement accessory
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TSD
Battery drop Protection
LED Temperature Monitoring
●Typical Application Circuits
●Pin Configuration [Bottom View]
CIN
4.7µF
L
VBAT
NC
E
D
LED2
PGND
SW
LED3
LED1
PGND
SW
2.2µH
VOUT
SW SW
VBAT
battery
STRB1
TX_MASK
COUT
10µF
RESETB
SCL
I2C I/F
TS
SDA
C
LED1
LED2
LED3
STRB0
STRB1
TX_MASK
NC
RESETB STRB0
SCL
SDA
B
A
NC
GND
GND
VOUT
NC
PGND GND
TS
1
2
3
4
Figure 2. Pin Configuration
Figure 1. 1.5A application Block diagram
○Product structure:Silicon monolithic integrated circuit ○This product is not designed protection against radioactive rays
.www.rohm.com
TSZ02201-0F2F0C200010-1-2
20.May.2013 Rev.003
© 2012 ROHM Co., Ltd. All rights reserved.
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