BQ24257RGET
| 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 |
| Peak Reflow Temperature (Cel) | 260 |
| Number of Functions | 1 |
| Supply Voltage | 5V |
| Terminal Pitch | 0.5mm |
| Base Part Number | BQ24257 |
| Output Voltage | 4.44V |
| Max Output Current | 4A |
| Operating Supply Voltage | 6.5V |
| Number of Channels | 1 |
| Interface | I2C, USB |
| Max Supply Voltage | 10.5V |
| Min Supply Voltage | 4.35V |
| Analog IC - Other Type | POWER SUPPLY MANAGEMENT CIRCUIT |
| Operating Supply Current | 13mA |
| Output Current | 2A |
| Adjustable Threshold | YES |
| Max Output Voltage | 4.2V |
| Supply Current-Max (Isup) | 5mA |
| Nominal Input Voltage | 18V |
| 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 |
| Charge Current - Max | 2A |
| Battery Pack Voltage | 4.44V Max |
| Height | 1mm |
| Length | 4mm |
| Width | 4mm |
| Thickness | 880μm |
| Radiation Hardening | No |
| REACH SVHC | No SVHC |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Lead Free |
BQ24257RGET Overview
There is a package named Tape & Reel (TR) that contains it.The package 24-VFQFN Exposed Pad includes a version of it.There is a type of mounting for this device: Surface Mount.A temperature setting of -40°C~85°C TA would be the best thing to do.A analog IC of POWER SUPPLY MANAGEMENT CIRCUIT has been used in the design of this device.The device needs to be charged at a current of Constant - Programmable in order to function.It is possible to find the related parts to the base part number BQ24257.As a whole, it contains 24 terminations.Batteries have a voltage of 4.44V Max.Programmable features, such as Timer, are available.The device has a maximum charging current of 2A.During the installation process, this product requires the connection of 24 pins.There are 1 channels available.Battery voltage should be 5V.There is no damage to the device if an input voltage of 10.5V is applied.Having the output voltage set to 4.44V may result in high efficiency.The output current is set to 2A in this case.This device can work at as low a voltage as possible, such as 4.35V.In terms of the mounting, it is mounted in the way indicated by Surface Mount as far as the mounting is concerned.There is 5mA voltage set in Vsup (maximum supply voltage).Its supply carries 13mA current.The supply voltage should be set to 6.5V for best efficiency.A switching frequency of 3kHz is present in the part.It is mandatory to set the voltage at 4.2V for the maximum output supply voltage for this operation.It is important to note that during operation, the maximum output current is reduced to 4A.
BQ24257RGET Features
Battery pack voltage of 4.44V Max
1 channels
Switching frequency of 3kHz
24-VFQFN Exposed Pad package
BQ24257RGET Applications
There are a lot of Texas Instruments BQ24257RGET Battery Chargers ICs applications.
- Opportunity charge
- Charging cradle for wearable devices
- Personnel carriers
- TV sticks
- High end, feature-rich consumer
- Electrical Utility industry
- Automotive battery charger circuits
- Electric vehicles
- Forklift
- Painting boat
