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Os motores de busca de Datasheet de Componentes eletrônicos |
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Os motores de busca de Datasheet de Componentes eletrônicos |
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BQ25708 Folha de dados(PDF) 9 Page - Texas Instruments |
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BQ25708 Folha de dados(HTML) 9 Page - Texas Instruments |
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9 / 77 page  9 bq25708 www.ti.com SLUSCU2 – NOVEMBER 2017 Product Folder Links: bq25708 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated Electrical Characteristics (continued) over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT CHARGE CURRENT REGULATION IN FAST CHARGE VIREG_CHG_RNG Charge current regulation differential voltage range VIREG_CHG = VSRP – VSRN 0 81.28 mV ICHRG_REG_ACC Charge current regulation accuracy 10-mΩ current sensing resistor, VBAT above 0x3E() setting (0°C to 85°C) REG0x14() = 0x1000H 4096 mA –3% 2% REG0x14() = 0x0800H 2048 mA –4% 3% REG0x14() = 0x0400H 1024 mA –5% 5% REG0x14() = 0x0200H 512 mA –12% 12% CHARGE CURRENT REGULATION IN LDO MODE ICLAMP Pre-charge current clamp CELL 2s-4s 384 mA CELL 1 s, VSRN < 3 V 384 mA CELL 1 s, 3 V < VSRN < VSYS_MIN 2 A IPRECHRG_REG_ACC Pre-charge current regulation accuracy with 10-mΩ SRP/SRN series resistor, VBAT below REG0x3E() setting (0°C to 85°C) REG0x14() = 0x0180H 384 mA 2S-4S –15% 15% 1S –25% 25% REG0x14() = 0x0100H 256 mA 2S-4S –20% 20% 1S –35% 35% REG0x14() = 0x00C0H 192 mA 2S-4S –25% 25% 1S –50% 50% REG0x14() = 0x0080H 128 mA 2S-4S –30% 30% ILEAK_SRP_SRN SRP, SRN leakage current mismatch (0°C to 85°C) –12 –10 µA INPUT CURRENT REGULATION VIREG_DPM_RNG Input current regulation differential voltage range VIREG_DPM = VACP – VACN 0.5 64 mV IDPM_REG_ACC Input current regulation accuracy with 10-mΩ ACP/ACN series resistor (–40°C to 105°C) REG0x3F() = 0x4FFFH 3820 4000 mA REG0x3F() = 0x3BFFH 2830 3000 mA REG0x3F() = 0x1DFFH 1350 1500 mA REG0x3F() = 0x09FFH 340 500 mA ILEAK_ACP_ACN ACP, ACN leakage current mismatch –16 10 µA VIREG_DPM_RNG_ILIM Voltage Range for input current regulation 1 4 V IDPM_REG_ACC_ILIM Input Current Regulation Accuracy on ILIM_HIZ pin VILIM_HIZ = 1 V + 40 × IDPM × RAC, with 10-mΩ ACP/ACN series resistor VILIM_HIZ = 2.6 V 3800 4000 4200 mA VILIM_HIZ = 2.2 V 2800 3000 3200 mA VILIM_HIZ = 1.6 V 1300 1500 1700 mA VILIM_HIZ = 1.2 V 300 500 700 mA ILEAK_ILIM ILIM_HIZ pin leakage –1 1 µA |
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