u6432b ATMEL Corporation, u6432b Datasheet
u6432b
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u6432b Summary of contents
Page 1
... Protection According to ISO/TR 7637/1 Level 4 with External Capacitor (C 1. Description The U6432B is an advanced automotive flasher IC which provides low standby cur- rent. Its basic function is equal to Atmel’s flasher IC U6043B but low current consumption and frequency doubling disabling make outstanding differences. ...
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... Block Diagram Figure 2-1. Car Flasher Application 4.7 µ > U6432B Shunt ...
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... Pin Description Pin Symbol Function 1 GND IC ground 2 VS Supply voltage 3 REL Relay driver 4 OSC Oscillator 5 OSC Oscillator 6 VS Supply voltage 7 LD Lamp failure detection 8 SI Start input (49a) 4725C–AUTO–10/ GND U6432B 6 3 REL OSC OSC U6432B 3 ...
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... Functional Description 4.1 Pin 1, GND The U6432B is protected against damage in case of battery reversal via resistor R ground (–31). An integrated protection circuit together with external resistances R the current pulses in the IC. 4.2 Pin 2, Supply Voltage, V The arrangement of the supply connections to pin 2 (and 6) must ensure that on the connection printed circuit board (PCB), the resistance ...
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... Figure 2-1 on page V – BE(T1) Z(D2) between V and pin 8 provides an extremely low standby current ( BE(T1) Z(D2 mV, frequency doubling is disabled. R3MAX 1W according to the following formula: 2 U6432B 10 µA µF (25V ...
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... Relay output, saturation voltage Relay output reverse current Relay coil resistance Start delay Frequency determining resistor Frequency determining capacitor Frequency tolerance Bright period Bright period Frequency increase Control signal threshold 1 Control signal threshold 2 Lamp load U6432B 6 Symbol FSM I FSM I FSM I O ...
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... Ordering Information Extended Type Number U6432B-MFPY U6432B-MFPG3Y 9. Package Information Package Dimensions in mm 0.4 1.27 Drawing-No.: 6.541-5031.01-4 Issue: 1; 15.08.06 4725C–AUTO–10/06 Package Remarks SO8 Tubed, Pb-free SO8 Taped and reeled, Pb-free 4.9 ±0.1 3. U6432B 5 ±0.2 3.7 ±0.1 3.8 ±0.1 6 ±0.2 technical drawings according to DIN specifications 7 ...
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... Revision History Please note that the following page numbers referred to in this section refer to the specific revision mentioned, not to this document. Revision No. 4725C-AUTO-10/06 4725B-AUTO-08/05 U6432B 8 History Put datasheet in a new template Pb-free logo on page 1 deleted Section 7 “Electrical Characteristics” on page 6 changed ...
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... Atmel products are not suitable for, and shall not be used in, automotive applications. Atmel’s products are not intended, authorized, or warranted for use as components in applications intended to support or sustain life. © 2006 Atmel Corporation. All rights reserved. Atmel marks or trademarks of Atmel Corporation or its subsidiaries. Other terms and product names may be trademarks of others. Atmel Operations Memory ...