BD8105FV ROHM Co. Ltd., BD8105FV Datasheet
BD8105FV
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BD8105FV Summary of contents
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... Power Management LSI Series for Automotive Body Control LED Driver BD8105FV ●Description The BD8105FV is a serial parallel control LED driver with 35V input voltage rating. Responding to the 3-line serial data, it turns the 12ch open drain output on/off. Due to its compact size optimal for small spaces. ●Features ...
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Conditions (Ta=-40~105℃) Item Power Supply Voltage Drive Current * This product is not designed for protection against radioactive rays. ●Electrical Characteristics (Unless specified, Ta=-40~105℃ Vcc=4.5～5.5V) Item 【Output D0～D11】 （Pin No : 4～9, 11～16） ON Resistor Output leakage current 【Logic ...
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Characteristic Diagrams (Unless otherwise specified Ta=25℃) 250 25℃ 200 150 105℃ -40℃ 100 SUPPLY VOLTAGE：Vcc[V] Fig.1 Circuit current ...
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... Diagram SDWN 3 SERIN 17 LATCH 1 CLK 18 RST_B 2 VCC 19 10 GND ●Pin Setup Diagram BD8105FV（SSOP-B20W） LATCH 1 RST_B 2 SDWN 3 D11 4 D10 GND 10 Fig.11 TSD <11:0> Serial I/F <11:0> <11:0> <11:0> SEROUT Fig.10 ●Terminal Number・Terminal Name Pin Number 1 SEROUT 20 2 VCC 19 3 CLK ...
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Operation 1）Serial I/F The I 3-line serial (LATCH, CLK, SERIN) style. 12-bit output ON/OFF can be set-up. This is composed of shift register. + 12-bit register. 2）Driver 12-bit open drain output. 3）TSD (Thermal Shut ...
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Communication The serial I/F is composed of a shift register which changes the CLK and SERIN serial signals to parallel signals, and a register to remember those signals with a LATCH signal. The registers are reset by applying a ...
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Signal By applying voltage at least VCC×0.8 or more to the SDWN terminal, D0 (16 pin)~D11 (4 pin) become open forcibly. At this time, the temperature protection circuit (TSD) stops. D11～D0 become PWM operation by inputting PWM to SDWN(3 ...
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SIGNAL’S TIMING CHART 50% CLK T T SEST SEHD 50% SERIN LATCH ●INPUT SIGNAL’S TIMING RULE（Ta=-40～105℃ Vcc=4.5～5.5V） Parameter CLK period CLK high pulse width CLK low pulse width SERIN high and low pulse width SERIN setup time prior to ...
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SIGNAL’S DELAY CHART SDWN 50% OUTPUT (D11～D0) LATCH 50% OUTPUT (D11～D0) 50% CLK SEROUT ●OUTPUT SIGNAL’S DELAY TIME（Ta=-40～105℃ Vcc=4.5～5.5V） Parameter SDWN Switching Time(L→H) SDWN Switching Time(H→L) LATCH Switching Delay Time SEROUT Propagation Delay Time(L→H) SEROUT Propagation Delay Time (H→L) ...
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EQUIVALENT CIRCUIT（PIN NAME） 1PIN（LATCH） 2PIN（RST_B） 3PIN（SDWN） 17PIN（SERIN） 18PIN（CLK） 100k (TYP) 4PIN（D11） ，5PIN（D10） 6PIN（D9） ，7PIN（D8） 8PIN（D7） ，9PIN（D6） 11PIN（D5） ，12PIN（D4） 13PIN（D3） ，14PIN（D2） 15PIN（D1） ，16PIN（D0） VCC Fig.18 10/12 20PIN（SEROUT） VCC VCC ...
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Notes (1) Absolute maximum ratings Use of the IC in excess of absolute maximum ratings such as the applied voltage or operating temperature range may result in IC damage. Assumptions should not be made regarding the state of the ...
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Selecting a Model Name When Ordering ROHM model Part number SSOP-B20W <Dimension> 6.5 ± 0 0.15 ± 0.1 0.1 0.65 0.22 ± 0.1 － Package type FV : ...
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Appendix No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product ...