BD18326NUF-M
BD18326NUF-M is 1ch Constant Current Driver manufactured by ROHM.
Description
The BD18326NUF-M is a constant current driver IC for driving automotive LED lamp, that can withstand up to 40 V. Small-size package is suitable for use in socket LED driver applications. The BD18326NUF-M offers high reliability with built-in functions for the thermal de-rating function, the LED open detection, the output short circuit protection, the SET pin short circuit protection, the over-voltage mute function, the current bypass function at reduced-voltage, the output for fault flag function and the input for output current OFF control signal.
Key Specifications
- Input Voltage Range:
5.5 V to 20 V
- Output Current Accuracy:
±5 %
- Maximum Output Current:
400 m A (DC)
600 m A (ON Duty: 50 %)
- Operating Temperature Tj:
-40 °C to +150 °C
Package VSON10FV3030
W (Typ) x D (Typ) x H (Max) 3.0 mm x 3.0 mm x 1.0 mm
Features
- AEC-Q100 Qualified(Note 1)
- Functional Safety Supportive Automotive Products
- CR Timer for PWM Dimming
- Thermal De-rating Function (THD)
- LED Open Detection
- Output Short Circuit Protection (OUT SCP)
- SET Pin Short Circuit Protection (SET SCP)
- Over Voltage Mute Function (OVM)
- Current Bypass Function at Reduced-Voltage
- Disable LED Open Detection Function at Reduced-Voltage (OPM)
- Output for Fault Flag / Input for Output Current OFF
Control Signal (PBUS)
(Note 1) Grade1
Applications
- Automotive LED Exterior Lamps (Rear Lamp, Turn Lamp, DRL/Position Lamp, Fog Lamp)
- Automotive Interior Lamps (Air Conditioner Lamp, Interior Light, Cluster Light etc.)
Typical Application Circuit
D1
D2
D3
RDCIN CCRT...
