BQ25619ERTWR
ActiveI2C CONTROLLED 1-CELL, 1.5-A, BATTERY CHARGER WITH 20-MA TERMINATION
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BQ25619ERTWR
ActiveI2C CONTROLLED 1-CELL, 1.5-A, BATTERY CHARGER WITH 20-MA TERMINATION
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Technical Specifications
Parameters and characteristics for this part
| Specification | BQ25619ERTWR |
|---|---|
| Battery Chemistry | Lithium Ion/Polymer |
| Battery Pack Voltage | 4.52 V |
| Charge Current - Max [Max] | 1.8 A |
| Current - Charging | Constant - Programmable |
| Fault Protection | Over Voltage, Over Current, Over Temperature |
| Interface | I2C |
| Mounting Type | Surface Mount |
| Number of Cells | 1 |
| Operating Temperature [Max] | 85 °C |
| Operating Temperature [Min] | -40 °C |
| Package / Case | 24-WFQFN Exposed Pad |
| Programmable Features | Current, Voltage |
| Supplier Device Package | 24-WQFN (4x4) |
| Voltage - Supply (Max) [Max] | 13.5 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 2.92 | |
| 10 | $ 2.63 | |||
| 25 | $ 2.48 | |||
| 100 | $ 2.11 | |||
| 250 | $ 1.98 | |||
| 500 | $ 1.74 | |||
| 1000 | $ 1.44 | |||
| Digi-Reel® | 1 | $ 2.92 | ||
| 10 | $ 2.63 | |||
| 25 | $ 2.48 | |||
| 100 | $ 2.11 | |||
| 250 | $ 1.98 | |||
| 500 | $ 1.74 | |||
| 1000 | $ 1.44 | |||
| Tape & Reel (TR) | 3000 | $ 1.34 | ||
| 6000 | $ 1.29 | |||
| Texas Instruments | LARGE T&R | 1 | $ 2.02 | |
| 100 | $ 1.67 | |||
| 250 | $ 1.20 | |||
| 1000 | $ 0.90 | |||
Description
General part information
BQ25619E Series
The BQ25618E/619E integrates charge and voltage protection in a single device. It offers low termination current for switching chargers to charge wearable devices to full battery capacity. The BQ25618E/BQ25619E low quiescent current reduces battery leakage down to 7µA in Ship Mode, which conserves battery energy to extend the shelf life for the device. The BQ25619E is in a 4mm x 4mm QFN package for easy layout. The BQ25618E is in a 2.0mm x 2.4mm WCSP package for space-limited designs.
The BQ25618E/619E is a highly integrated 1.5A switch-mode battery charge management and system power path management device for Li-ion and Li-polymer battery. It features fast charging with high input voltage support for a wide range of applications including earbuds (True Wireless or TWS), earphone charging case, and wearables. Its low impedance power path optimizes switch-mode operation efficiency, reduces battery charging time, and extends battery run time during discharging phase. Its input voltage and current regulation, low termination current,and battery remote sensing deliver maximum charging power to the battery. The solution is highly integrated with input reverse-blocking FET (RBFET, Q1), high-side switching FET (HSFET, Q2), low-side switching FET (LSFET, Q3), and battery FET (BATFET, Q4) between system and battery. It also integrates the bootstrap diode for the high-side gate drive for simplified system design. The I2C serial interface with charging and system settings makes the device a truly flexible solution.
The device supports a wide range of input sources, including standard USB host port, USB charging port, USB compliant high voltage adapter and wireless power. It is compliant with USB 2.0 and USB 3.0 power spec with input current and voltage regulation. The device takes the result from the detection circuit in the system, such as USB PHY device.
Documents
Technical documentation and resources
