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BQ24298 Datasheet(PDF) 33 Page - Texas Instruments |
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BQ24298 Datasheet(HTML) 33 Page - Texas Instruments |
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33 / 51 page  bq24298 www.ti.com SLUSC59 – APRIL 2015 8.6.1.5 Charge Voltage Control Register REG04 [reset = 10110010, or 0xB2] Figure 31. Charge Voltage Control Register REG04 Format 7 6 5 4 3 2 1 0 VREG[5] VREG[4] VREG[3] VREG[2] VREG[1] VREG[0] BATLOWV VRECHG R/W R/W R/W R/W R/W R/W R/W R/W LEGEND: R/W = Read/Write Table 10. Charge Voltage Control Register REG04 Field Description BIT FIELD TYPE RESET DESCRIPTION NOTE Charge Voltage Limit Bit 7 VREG[5] R/W 1 512 mV Offset: 3.504 V Range: 3.504 V – 4.400 V Bit 6 VREG[4] R/W 0 256 mV Default: 4.208 V Bit 5 VREG[3] R/W 1 128 mV Bit 4 VREG[2] R/W 1 64 mV Bit 3 VREG[1] R/W 1 32 mV Bit 2 VREG[0] R/W 1 16 mV Bit 1 BATLOWV R/W 1 0 – 2.8 V, 1 – 3.0 V Default: 3.0 V (1) (pre-charge to fast charge) Battery Recharge Threshold (below battery regulation voltage) Bit 0 VRECHG R/W 0 0 – 100 mV, 1 – 300 mV Default: 100 mV (0) 8.6.1.6 Charge Termination/Timer Control Register REG05 [reset = 11011100, or 0xDC] Figure 32. Charge Termination/Timer Control Register REG05 Format 7 6 5 4 3 2 1 0 EN_TERM Reserved WATCHDOG[1] WATCHDOG[0] EN_TIMER CHG_TIMER[1] CHG_TIMER[0] Reserved R/W R/W R/W R/W R/W R/W R/W R/W LEGEND: R/W = Read/Write Table 11. Charge Termination/Timer Control Register REG05 Field Description BIT FIELD TYPE RESET DESCRIPTION NOTE Charging Termination Enable Bit 7 EN_TERM R/W 1 0 – Disable, 1 – Enable Default: Enable termination (1) Default: Enable (1) BATFET_RST_ Bit 6 R/W 1 0 – Disable, 1 – Enable This bit will only be reset to default value upon EN power-on-reset and soft reset (i.e. REG01[7]). I2C Watchdog Timer Setting Bit 5 WATCHDOG[1] R/W 0 00 – Disable timer, 01 – 40 s, 10 – Default: 40 s (01) 80 s, 11 – 160 s Bit 4 WATCHDOG[0] R/W 1 Charging Safety Timer Enable Bit 3 EN_TIMER R/W 1 0 – Disable, 1 – Enable Default: Enable (1) Fast Charge Timer Setting Bit 2 CHG_TIMER[1] R/W 0 00 – 5 hrs, 01 – 8 hrs, 10 – 12 hrs, Default: 12 hrs (10) 11 – 20 hrs (See Charging Safety Timer for details) Bit 1 CHG_TIMER[0] R/W 1 Bit 0 Reserved R/W 0 0 - Reserved Copyright © 2015, Texas Instruments Incorporated Submit Documentation Feedback 33 Product Folder Links: bq24298 |
Similar Part No. - BQ24298_15 |
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Similar Description - BQ24298_15 |
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