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BQ27541-V200 Datasheet(PDF) 6 Page - Texas Instruments |
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BQ27541-V200 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 41 page t(B) t(BR) t(HW1) t(HW0) t(CYCH) t(DW1) t(DW0) t(CYCD) Break 7-bitaddress 8-bitdata (a) BreakandBreakRecovery (c) Host TransmittedBit (d) Gauge TransmittedBit (e) GaugetoHostResponse 1.2V t(RISE) (b) HDQlinerisetime 1-bit R/W t(RSPS) bq27541-V200 SLUSA11 – FEBRUARY 2010 www.ti.com HDQ COMMUNICATION TIMING CHARACTERISTICS TA = –40°C to 85°C, CREG = 0.47mF, 2.45 V < VREGIN = VBAT < 5.5 V; typical values at TA = 25°C and VREGIN = VBAT = 3.6 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT t(CYCH) Cycle time, host to bq27541 190 ms t(CYCD) Cycle time, bq27541 to host 190 205 250 ms t(HW1) Host sends 1 to bq27541 0.5 50 ms t(DW1) bq27541 sends 1 to host 32 50 ms t(HW0) Host sends 0 to bq27541 86 145 ms t(DW0) bq27541 sends 0 to host 80 145 ms t(RSPS) Response time, bq27541 to host 190 320 ms t(B) Break time 190 ms t(BR) Break recovery time 40 ms t(RISE) HDQ line resing time to logic 1 (1.2V) 950 ns Figure 1. Timing Diagrams 6 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated Product Folder Link(s): bq27541-V200 |
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