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BQ7693003DBT Datasheet(PDF) 17 Page - Texas Instruments |
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BQ7693003DBT Datasheet(HTML) 17 Page - Texas Instruments |
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17 / 63 page  SCL SDA SDA SCL SDA SCL bq76920, bq76930, bq76940 www.ti.com SLUSBK2F – OCTOBER 2013 – REVISED NOVEMBER 2015 Electrical Characteristics (continued) Typical conditions are measured at 25ºC with nominal BAT voltages of 18 V (bq76920), 36 V (bq76930), or 48 V (bq76940) with VCELL = 4 V. Min and max values include full recommended operating condition temperature range from –40ºC to +85ºC. Certain characteristics may be shown at different voltage or temperature ranges, as clarified in the Test Condition sections. PARAMETER DESCRIPTION TEST CONDITION MIN TYP MAX UNIT IEXTLDO_LIMIT External LDO current limit REGOUT = 0 V 30 38 45 mA BOOT DETECTOR Measured at TS1 pin with device in SHIP mode. Below MIN, device will not VBOOT Boot threshold voltage 300 1000 mV boot up. Above MAX, device will be guaranteed to boot up. Measured at TS1 pin. Below MIN, Boot threshold application tBOOT_max device will not boot up. Above MAX, 10 2000 µs time device will be guaranteed to boot up. 6.6 Timing Requirements I2C COMPATIBLE INTERFACE MIN TYP MAX UNIT REGOUT x VIL Input Low Logic Threshold V 0.25 REGOUT x VIH Input High Logic Threshold V 0.75 VOL Output Low Logic Drive 0.20 V tf SCL, SDA Fall Time 0.40 VOH Output High Logic Drive (Not applicable due to open-drain outputs) N/A N/A V tHIGH SCL Pulse Width High 4.0 µs tLOW SCL Pulse Width Low 4.7 µs tSU;STA Setup time for START condition 4.7 µs tHD;STA START condition hold time after which first clock pulse is generated 4.0 µs tSU;DAT Data setup time 250 ns tHD;DAT Data hold time 0 µs tSU;STO Setup time for STOP condition 4.0 µs tBUF Time the bus must be free before new transmission can start 4.7 µs tVD;DAT Clock Low to Data Out Valid 900 ns tHD;DAT Data Out Hold Time After Clock Low 0 ns fSCL Clock Frequency 0 100 kHz Figure 6-1. I2C Timing Copyright © 2013–2015, Texas Instruments Incorporated Electrical Specifications 17 Submit Documentation Feedback Product Folder Links: bq76920 bq76930 bq76940 |
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