BQ24257RGER
| Parameters | |
|---|---|
| Lifecycle Status | NRND (Last Updated: 3 days ago) |
| Contact Plating | Gold |
| Mount | Surface Mount |
| Mounting Type | Surface Mount |
| Package / Case | 24-VFQFN Exposed Pad |
| Number of Pins | 24 |
| Operating Temperature | -40°C~85°C TA |
| Packaging | Tape & Reel (TR) |
| JESD-609 Code | e4 |
| Pbfree Code | yes |
| Part Status | Not For New Designs |
| Moisture Sensitivity Level (MSL) | 2 (1 Year) |
| Number of Terminations | 24 |
| ECCN Code | EAR99 |
| Terminal Position | QUAD |
| Terminal Form | NO LEAD |
| Peak Reflow Temperature (Cel) | 260 |
| Number of Functions | 1 |
| Supply Voltage | 5V |
| Terminal Pitch | 0.5mm |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Base Part Number | BQ24257 |
| Output Voltage | 4.2V |
| Supply Voltage-Min (Vsup) | 4.35V |
| Number of Channels | 1 |
| Interface | I2C, USB |
| Max Supply Voltage | 6.5V |
| Analog IC - Other Type | POWER SUPPLY MANAGEMENT CIRCUIT |
| Operating Supply Current | 13mA |
| Output Current | 2A |
| Adjustable Threshold | YES |
| Supply Current-Max (Isup) | 5mA |
| Threshold Voltage | +3.35V |
| Fault Protection | Over Temperature, Over Voltage |
| Battery Chemistry | Multi-Chemistry |
| Number of Cells | 1 |
| Switching Frequency | 3kHz |
| Programmable Features | Timer |
| Current - Charging | Constant - Programmable |
| Battery Pack Voltage | 4.44V Max |
| Height | 1mm |
| Length | 4mm |
| Width | 4mm |
| Thickness | 880μm |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Lead Free |
BQ24257RGER Overview
There is an Tape & Reel (TR) package that contains it. The package that is included with it comes in the shape of a 24-VFQFN Exposed Pad.There is a mounting type Surface Mount specified for the device.The best thing to do is to set the temperature to -40°C~85°C TA.A analog IC of POWER SUPPLY MANAGEMENT CIRCUIT has been used in the design of this device.Charge the device by providing it with Constant - Programmable current.There are related parts to this device according to the base part number BQ24257.It is possible to find a total of 24 terminations.As far as the battery pack is concerned, it is 4.44V Max.Serveral programmable features like Timer.The product is able to function with the help of 24 pins that are required.A total of 1 channels are available for use.Using a 5V battery should be enough to run it.Applied input voltage of 6.5V does not damage the device.In the case of a 4.2V output voltage, high efficiency is possible.When the operation is completed, the output current is 2A.In terms of the mounting, it is mounted in the way indicated by Surface Mount as far as the mounting is concerned.During the design process, Vsup (maximum supply voltage) was set to 5mA.The gadget's supply current is set to 13mA.The part has 3kHz switching frequency.It is important to keep the power supply voltage (Vsup) above 4.35V so that normal operation can take place.
BQ24257RGER Features
Battery pack voltage of 4.44V Max
1 channels
Switching frequency of 3kHz
24-VFQFN Exposed Pad package
BQ24257RGER Applications
There are a lot of Texas Instruments BQ24257RGER Battery Chargers ICs applications.
- Industrial lighting
- Forklift
- Man lift
- Tablets
- Various chargers
- Crosswalk marker lights
- Automotive battery charger circuits
- Power tools
- Solar charging
- Smart power strips
