BD8378FV-ME2 ROHM

Serial-in Parallel-out LED Driver 8ch LED Driver IC with 3-line Serial Interface BD8378FV-M General Description Key Specifications The BD8378FV-M is a serial-in parallel-out controlled Input Voltage Range: 3.0V to 5.5V LED driver with 35V output voltage rating. With the input Output Voltage Range: 35V (Max) of 3-line serial data, it turns the 8ch open drain output DC Output Current (per CH): 50mA (Max) on/off. It is optimal for small space due to its compact Output ON-Resistance: 6 (Typ) size. Standby Current: 0A (Typ) Operating Temperature Range: -40C to +105C Features Open Drain Output Package W(Typ) x D(Typ) x H(Max) 3-line Serial Control + Enable Signal SSOP-B16 5.00mm x 6.40mm x 1.35mm Cascade Connection Compatible SSOP-B16 Package Internal 8ch Power Transistor Output Slew Rate Typical 20V/ s (Typ) (For Low EMC Noise) AEC-Q100 Qualified. Applications For indicator of Cluster Panel. SSOP-B16 Typical Application Circuit V CC I D 10F V 10F BAT R L VCC D0 SDWN D1 Micro - LATCH D2 RST B D3 computer CLK D4 SERIN D5 SEROUT D6 GND D7 V I CC D R L 10F VCC D0 SDWN D1 LATCH D2 RST B D3 CLK D4 SERIN D5 SEROUT D6 GND D7 Figure 1. Typical Application Circuit Product structureSilicon monolithic integrated circuit This product has no designed protection against radioactive rays. www.rohm.com TSZ02201-0G3G0C500040-1-2 2013 ROHM Co., Ltd. All rights reserved. 1/17 07.Oct.2014 Rev.002 TSZ22111 14 001 DatasheetDatasheet BD8378FV-M Pin Configuration Pin Descriptions Symbol Function Pin No. 1 VCC Power supply voltage input 2 SERIN Serial data input 3 D0 Drain output 0 4 D1 Drain output 1 5 D2 Drain output 2 6 D3 Drain output 3 7 RST B Reset return input (Low: FF data 0) 8 SDWN Shutdown enable (High: Output OFF) 9 SEROUTSerial data output 10 LATCH Latch signal input (High: Data latch) 11 D4 Drain output 4 12 D5 Drain output 5 13 D6 Drain output 6 14 D7 Drain output 7 15 CLK Clock input Figure 2. Pin Configuration 16 GND Ground Block Diagram VCC D0 D1 SERIN D2 CLK D3 D4 D5 SEROUT D6 LATCH RST B D7 SDWN GND Figure 3. Block Diagram www.rohm.com TSZ02201-0G3G0C500040-1-2 2013 ROHM Co., Ltd. All rights reserved. 2/17 07.Oct.2014 Rev.002 TSZ22111 15 001 Shift Register Latch & Control Logic