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ACT2861 Datasheet(PDF) 59 Page - Qorvo, Inc |
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ACT2861 Datasheet(HTML) 59 Page - Qorvo, Inc |
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59 / 97 page  Data Sheet Rev. F, April 2022 | Subject to change without notice 59 of 97 www.qorvo.com © 2020 Qorvo US, Inc. All rights reserved. Confidential ACT2861 30V Buck-Boost Charger with Integrated MOSFETs and OTG ® CMI 301: ACT2861QI301 CMI 301 is optimized for 3 cell Li-Ion battery applications and the default settings are appropriate for most typical appli- cations. It operates with a switching frequency of 500kHz to provide an optimal tradeoff between overall size and effi- ciency. The following table shows the default register settings. CMI 301 Default Register Settings Function ACT2861QI301 Default Register Settings Register Battery & Charging Battery Termination Voltage 12.6V VTERM Battery Pre-Charge Voltage 9V VBAT_LOW Battery Short Voltage 7.5V VBAT_SHORT Battery Good Indicator Voltage (delta above Battery Pre- Charge Voltage) 0.6V VBATGOOD Battery Recharge Voltage (delta below VTERM) 600mV VRECHARGE Fast Charge Current Scaling Factor (relative to IOLIM) 50% IFCHG Battery Short Current Scaling Factor (relative to IOLIM) 4% VBAT_SHORT_CURRENT Battery Pre-Charge Current Scaling Factor (relative to IOLIM) 5% IPRECHG Battery Termination Current Scaling Factor (relative to IOLIM) 5% ITERM Battery Termination Enabled EN_TERM Battery Charge Path Impedance Compensation Disabled BAT_PATH_COMP Battery Path Impedance Compensation Voltage Clamp +120mV BAT_PATH_COMP_VCLAMP Charging Input Current Limit Scaling Factor (relative to IILIM) 67% IINLIM TH Pin Enabled DIS_TH Non-JEITA Max Battery Temp 65 deg C OTG_HOT Non-JEITA Min Battery Temp -10 deg C OTG_COLD Minimum Input Voltage Limit (Start to reduce charger current) 4.5V VINLIM Start Delay (charging) 220ms VIN_STRT_DLY Battery OVP Latch off Enabled DIS_VBAT_OVP Battery OV Deglitch Time 40ms VBAT_OV_DEGLITCH_EN Safety Timer 16 Hr FC_SAFETY_TIMER nCHG Pin Functionality in Charge Mode Enabled nOTG_PIN_POLARITY JEITA JEITA Support Enabled DIS_JEITA JEITA Warm (45°C-60°C) Termination Voltage Reduction Below VTERM 600mV JEITA_VSETH JEITA Warm (45°C-60°C) Charge Current 50% JEITA_ISETH JEITA Cold (0°C-10°C) Charge Current 50% JEITA_ISETC OTG OTG Operation Enabled OTG_EN |
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