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BQ25713 Datasheet(PDF) 17 Page - Texas Instruments |
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BQ25713 Datasheet(HTML) 17 Page - Texas Instruments |
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17 / 111 page  7.5 Electrical Characteristics(BQ25730) (continued) VVBUS_UVLOZ < VVBUS < VVBUSOV_FALL , TJ = -40°C to +125°C, and TJ = 25°C for typical values (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT IDCHG_DEG1 IDCHG threshold1 deglitch time Reg0x39h[1:0]=01b 1.25 sec IDCHG_TH2 IDCHG threshold2 for throttling for IDSCHG of 6 A Reg0x39[7:2]=010000b 3C[5:3]=001b,with 5mΩ RSR current sensing resistor 24.576 A 96% 103% tDCHG_DEG2 IDCHG threshold2 deglitch time Reg0x3C[7:6]=01b 1.6 ms INDEPENDENT COMPARATOR VINDEP_CMP Independent comparator threshold Reg0x30h[7]= 1, CMPIN falling 1.17 1.2 1.23 V Reg0x30h[7]= 0, CMPIN falling 2.27 2.3 2.33 V VINDEP_CMP_HYS Independent comparator hysteresis CMPIN falling 100 mV POWER MOSFET DRIVER PWM OSCILLATOR AND RAMP FSW PWM switching frequency Reg0x01[1] = 0 680 800 920 kHz Reg0x01[1] = 1 340 400 460 kHz BATFET GATE DRIVER (BATDRV) VBATDRV_ON Gate drive voltage on BATFET 8.5 10 11.5 V VBATDRV_DIODE Drain-source voltage on BATFET during ideal diode operation 30 mV RBATDRV_ON Measured by sourcing 10 µA current to BATDRV 3 4 6 kΩ RBATDRV_OFF Measured by sinking 10 µA current from BATDRV 1.2 2.1 kΩ PWM HIGH SIDE DRIVER (HIDRV Q1) RDS_HI_ON_Q1 The resistance of the gate driver loop for turning on Q1 VBTST1 - VSW1 = 5 V 6 Ω RDS_HI_OFF_Q1 The resistance of the gate driver loop for turning off Q1 VBTST1 - VSW1 = 5 V 1.3 2.2 Ω VBTST1_REFRESH Bootstrap refresh comparator falling threshold voltage VBTST1 - VSW1 when low-side refresh pulse is requested 3.2 3.7 4.6 V PWM HIGH SIDE DRIVER (HIDRV Q4) RDS_HI_ON_Q4 The resistance of the gate driver loop for turning on Q4 VBTST2 - VSW2 = 5 V 6 Ω RDS_HI_OFF_Q4 The resistance of the gate driver loop for turning off Q4 VBTST2 - VSW2 = 5 V 1.5 2.4 Ω VBTST2_REFRESH Bootstrap refresh comparator falling threshold voltage VBTST2 - VSW2 when low-side refresh pulse is requested 3.3 3.7 4.6 V PWM LOW SIDE DRIVER (LODRV Q2) www.ti.com BQ25730 SLUSE65A – FEBRUARY 2021 – REVISED JANUARY 2024 Copyright © 2024 Texas Instruments Incorporated Submit Document Feedback 17 Product Folder Links: BQ25730 |
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