ROHM Semiconductor BD18351EFV-M
BD18351EFV-M is an LED driver with built-in 1ch boost controller. It is an optimal IC for LED drive for head lamp / DRL, tail lamp and turn lamp capable of realizing boost and buck boost with high-side detection of LED current setting against output voltage.| Part No. | BD18351EFV-M |
|---|---|
| Datasheet | BD18351EFV-M Download |
| Manufacturer |  ROHM Semiconductor |
| Description | LED Driver |
| Buy | Stock & Price |
GENERAL DESCRIPTION
Further, cost saving and downsizing of the set can be realized, since it contains CRTIMER which enables PWM dimming without microcomputer for applications requiring PWM dimming of DRL, etc. Key Specifications●Input Voltage Range: 4.5 V to 65 V
●Output Voltage Range: 6.0 V to 65 V
●Absolute Maximum Input / Output Voltage: 70 V
●Minimum PWM Dimming Pulse Width: 50 µs
FEATURES
● AEC-Q100 Qualified (Note 1)● Built-in Switching DC / DC Controller.
● LED Current Setting High Side Detection Method
● LED Current Precision: ±3.0% (–40 °C to 125 °C)
● PWM Signal Generation Circuit with Built-in CRTIMER (External PWM Dimming Control is possible.)
● Built-in Spread Spectrum Function
● Built-in LED Open Detection Function
● Built-in LED Anode to Ground Short Function (Note 1) Grade1 Package HTSSOP-B24 W(Typ) × D(Typ) × H(Max) 7.80 mm × 7.60 mm × 1.00 mm
APPLICATIONS
Head lamp, DRL, front position lamp, tail lamp, turn lamp Typical Application Circuit HTSSOP-B24 VB VRVERGE50G External power VCC EN RT VREG50 FAIL ODT VREG25 DCD DRL SWDRV RS BD18351EFV-M CS COMP SS IMP DISC IMN CR TDISC GND DGND PWMOUT VOUT VOUT Figure 1.
