BQ25895 Series
I2C 1cell 5A buck battery charger with high input voltage and 3.1-A boost with HVDCP enabled
Manufacturer: Texas Instruments
Link to Manufacturer Page: https://www.ti.com/
Catalog
I2C 1cell 5A buck battery charger with high input voltage and 3.1-A boost with HVDCP enabled
Part | Mounting Type | Charge Current - Max [Max] | Interface | Package / Case | Battery Chemistry | Supplier Device Package | Voltage - Supply (Max) [Max] | Number of Cells | Operating Temperature [Max] | Operating Temperature [Min] | Fault Protection | Supplied Contents | Secondary Attributes | Utilized IC / Part | Function | Type | Contents |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Texas Instruments BQ25895RTWR | Surface Mount | 5 A | I2C, USB | 24-WFQFN Exposed Pad | Lithium Ion/Polymer | 24-WQFN (4x4) | 14 V | 1 | 85 °C | -40 °C | Over Temperature | ||||||
Texas Instruments BQ25895EVM-664 | Board(s) | On-Board LEDs | BQ25895 | Battery Charger | Power Management | ||||||||||||
Texas Instruments BQ25895MRTWT | Surface Mount | 5 A | I2C, USB | 24-WFQFN Exposed Pad | Lithium Ion/Polymer | 24-WQFN (4x4) | 14 V | 1 | 85 °C | -40 °C | Over Temperature | ||||||
Texas Instruments BQ25895MRTWR | Surface Mount | 5 A | I2C, USB | 24-WFQFN Exposed Pad | Lithium Ion/Polymer | 24-WQFN (4x4) | 14 V | 1 | 85 °C | -40 °C | Over Temperature | ||||||
Texas Instruments BQ25895MEVM-664 | Board(s) | BQ25895M | Battery Charger | Power Management | Board(s) | ||||||||||||
Texas Instruments BQ25895RTWT | Surface Mount | 5 A | I2C, USB | 24-WFQFN Exposed Pad | Lithium Ion/Polymer | 24-WQFN (4x4) | 14 V | 1 | 85 °C | -40 °C | Over Temperature |
Key Features
• High efficiency 5-A, 1.5-MHz switch mode buck charge93% Charge efficiency at 2 A and 91% charge efficiency at 3 A charge currentOptimize for high voltage input (9 V to 12 V)Low Power PFM Mode for light load operationsBoost Mode operation with adjustable output from 4.5 V to 5.5 VSelectable 500-KHz to 1.5-MHz boost converter with up to 3.1-A output93% Boost efficiency at 5 V at 1 A outputIntegrated control to switch between charge and Boost ModeSingle input to support USB input and adjustable high voltage adaptersSupport 3.9-V to 14-V input voltage rangeInput current limit (100 mA to 3.25 A with 50-mA resolution) to support USB2.0, USB3.0 standard and high voltage adaptersMaximum power tracking by input voltage limit up-to 14V for wide range of adaptersAuto detect USB SDP, CDP, DCP, and Non-standard AdaptersInput current optimizer (ICO) to maximize input power without overloading adaptersResistance compensation (IRCOMP) from charger output to cell terminalHighest battery discharge efficiency with 11-mΩ battery discharge MOSFET up to 9 AIntegrated ADC for system monitor (voltage, temperature, charge current)Narrow VDC (NVDC) power path managementInstant-on works with no battery or deeply discharged batteryIdeal diode operation in Battery Supplement ModeBATFET Control to support Ship Mode, wake up, and full system resetFlexible autonomous and I2C Mode for optimal system performanceHigh integration includes all MOSFETs, current sensing and loop compensation12-µA Low battery leakage current to support Ship ModeHigh accuracy±0.5% Charge voltage regulation±5% Charge current regulation±7.5% Input current regulationSafetyBattery temperature sensing for charge and Boost ModeThermal regulation and thermal shutdownHigh efficiency 5-A, 1.5-MHz switch mode buck charge93% Charge efficiency at 2 A and 91% charge efficiency at 3 A charge currentOptimize for high voltage input (9 V to 12 V)Low Power PFM Mode for light load operationsBoost Mode operation with adjustable output from 4.5 V to 5.5 VSelectable 500-KHz to 1.5-MHz boost converter with up to 3.1-A output93% Boost efficiency at 5 V at 1 A outputIntegrated control to switch between charge and Boost ModeSingle input to support USB input and adjustable high voltage adaptersSupport 3.9-V to 14-V input voltage rangeInput current limit (100 mA to 3.25 A with 50-mA resolution) to support USB2.0, USB3.0 standard and high voltage adaptersMaximum power tracking by input voltage limit up-to 14V for wide range of adaptersAuto detect USB SDP, CDP, DCP, and Non-standard AdaptersInput current optimizer (ICO) to maximize input power without overloading adaptersResistance compensation (IRCOMP) from charger output to cell terminalHighest battery discharge efficiency with 11-mΩ battery discharge MOSFET up to 9 AIntegrated ADC for system monitor (voltage, temperature, charge current)Narrow VDC (NVDC) power path managementInstant-on works with no battery or deeply discharged batteryIdeal diode operation in Battery Supplement ModeBATFET Control to support Ship Mode, wake up, and full system resetFlexible autonomous and I2C Mode for optimal system performanceHigh integration includes all MOSFETs, current sensing and loop compensation12-µA Low battery leakage current to support Ship ModeHigh accuracy±0.5% Charge voltage regulation±5% Charge current regulation±7.5% Input current regulationSafetyBattery temperature sensing for charge and Boost ModeThermal regulation and thermal shutdown
Description
AI
The BQ25895 is a highly-integrated 5-A switch-mode battery charge management and system power path management device for single cell Li-Ion and Li-polymer battery. The devices support high input voltage fast charging. The low impedance power path optimizes switch-mode operation efficiency, reduces battery charging time and extends battery life during discharging phase.
The BQ25895 is a highly-integrated 5-A switch-mode battery charge management and system power path management device for single cell Li-Ion and Li-polymer battery. The devices support high input voltage fast charging. The low impedance power path optimizes switch-mode operation efficiency, reduces battery charging time and extends battery life during discharging phase.