Images à titre indicatif uniquement
BQ24295RGER
+NomenclatureIC BATT CHG LI-ION 1CELL 24VQFN
-
FabricantTexas Instruments
-
Pièce fabricant #BQ24295RGER
-
Package VQFN-24
-
En stock7507
365 Garantie qualité 24h/24
7*24 Garantie de service 24h/24
90-Garantie après-vente 24h/24
Garantie produit authentique
Spécifications
| Attribut | Valeur |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Battery Chemistry | Lithium Ion/Polymer |
| Number of Cells | 1 |
| Current - Charging | Constant - Programmable |
| Programmable Features | Current |
| Fault Protection | Over Current, Over Temperature, Over Voltage |
| Charge Current - Max | 3A |
| Battery Pack Voltage | 4.4V (Max) |
| Voltage - Supply (Max) | 6.2V |
| Interface | I²C, USB |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Présentation
Description
Key features include a programmable charge current up to 3A, dynamic power path management (DPPM) to prioritize system load and optimize battery charging, and battery supplement mode to ensure power availability when the input source is insufficient. It also includes safety features like thermal regulation, over-voltage protection, and battery temperature monitoring, which are crucial for secure operation.
Additionally, the BQ24295RGER integrates I²C communication for adjustable settings and status monitoring, making it ideal for applications in smartphones, tablets, and other portable devices. Its compact 2.5mm x 2.5mm QFN package and high efficiency make it suitable for space-constrained and energy-sensitive applications.
Equivalent
1. Microchip MCP73871: A similar power management IC with integrated charge management.
2. Analog Devices LTC4020: A versatile power manager with similar functionality.
3. Maxim Integrated MAX14748: A comparable battery charger and power path management IC.
Each may have differences in features or specs, so verify compatibility with your specific requirements.
Features
The BQ24295RGER also integrates a battery FET that provides reverse current, short-circuit, and thermal protections. It includes features like automatic power source detection and selection, enabling seamless transition between power supplies. Additionally, it supports I2C interface for communication, allowing easy configuration and monitoring. The device incorporates a programmable charge current, voltage, and termination, along with safety timers to prevent overcharging. Its compact QFN package makes it suitable for space-constrained applications such as smartphones, tablets, and other portable electronics.
Pinout
- 24 Pins: The device is housed in a 24-pin VQFN (Very Thin Quad Flat No-lead) package.
- Pin Functions:
- VBUS (1): Input for external power.
- PMID (2): Power output from the internal power FET.
- USB (3): USB input interface.
- OTG (4): Boost mode enable.
- SYS (5): System output.
- BAT (6): Battery connection.
- TS (7): Temperature sensor input.
- ILIM (8): Input current limit set.
- CE (9): Charge enable control.
- PG (10): Power good status output.
- STAT (11): Charging status indication.
- INT (12): Interrupt output.
- SCL (13) / SDA (14): I²C communication lines for control and status.
- GND (15, 17, 21, 23): Ground connections.
- D+/D- (16, 18): USB data lines for input current limit detection.
- REGN (19): Internal LDO output.
- BATFET (20): External FET control.
- QON (22): Ship mode control.
- N.C. (24): No connection.
This IC manages power paths, charging, and protection for portable applications.