1.5A LED Camera Flash Driver Synchronous Rectification Step-Up DC/DC - BD7757MWX | ROHM Semiconductor - ROHM Co., Ltd.
Rohm Productdetail
1.5A LED Camera Flash Driver Synchronous Rectification Step-Up DC/DC - BD7757MWX
The BD7757MWX is a 1.5A Flash LED Driver with Synchronous rectification step up DC/DC converter that can drive 1LED. The LED current, timer, and UVLO threshold can be varied by using UPIC++ (Uni-Port Interface Control ++).
* This product is a STANDARD grade product and not recommend for on-vehicle devices.
×
Specifications:
Topology
Boost
Number of Outputs
1
Vin(Min.)[V]
2.7
Vin(Max.)[V]
5.0
Output Current(Max.)[mA]
1500.0
Per Channel Drive(Max.)[mA]
1500.0
Vout(Max.)[V]
5.1
Frequency(Max.)[MHz]
2.0
Data Input
UPIC
LED Configuration
1
LDO
No
Auto Luminous Control
No
Synchronous
Yes
Integrated FET
Yes
Peak Efficiency[%]
85
Operating Temperature (Min.)[°C]
-30
Operating Temperature (Max.)[°C]
85
Features:
- Synchronous rectification step-up DC/DC converter.
- Control of registers via Uni-Port Interface Control ++ (UPIC)
- Maximum current of 1.5A in Flash mode (Low side LED Driver).
- Lighting Mode Setup
Flash Mode…1.5A (Max)
Torch Mode…450mA (Max) - Variable LED current
- Protection Circuits:
- Over Current Protection Circuit (OCP)
- Over Voltage Protection Circuit (OVP)
- VOUT – GND Short Protection Circuit
- LED Short / Open Protection Circuit
- Under Voltage Lock Out Circuit (UVLO)
- Thermal Shut Down Circuit (TSD)
- Battery Drop Protection Circuit
- Flash Timer Protection Circuit