Parameters |
Lifecycle Status |
NRND (Last Updated: 4 days ago) |
Contact Plating |
Gold |
Mounting Type |
Surface Mount |
Package / Case |
28-VFQFN Exposed Pad |
Surface Mount |
YES |
Number of Pins |
28 |
Weight |
70.788759mg |
Operating Temperature |
-40°C~125°C TJ |
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 |
28 |
ECCN Code |
EAR99 |
HTS Code |
8542.39.00.01 |
Subcategory |
Power Management Circuits |
Terminal Position |
QUAD |
Peak Reflow Temperature (Cel) |
260 |
Number of Functions |
1 |
Supply Voltage |
20V |
Base Part Number |
BQ24745 |
Pin Count |
28 |
Output Voltage |
19.2V |
Number of Channels |
1 |
Interface |
I2C |
Max Supply Voltage |
24V |
Min Supply Voltage |
7V |
Analog IC - Other Type |
POWER SUPPLY SUPPORT CIRCUIT |
Output Current |
8A |
Adjustable Threshold |
YES |
Min Input Voltage |
7V |
Supply Current-Max (Isup) |
12mA |
Nominal Input Voltage |
24V |
Threshold Voltage |
+2.4V |
Fault Protection |
Over Voltage |
Battery Chemistry |
Multi-Chemistry |
Number of Cells |
2 ~ 4 |
Switching Frequency |
300kHz |
Current - Charging |
Constant - Programmable |
Charge Current - Max |
8.064A |
Battery Pack Voltage |
19.2V Max |
Height |
1mm |
Length |
5mm |
Width |
5mm |
Thickness |
900μm |
Radiation Hardening |
No |
RoHS Status |
ROHS3 Compliant |
Lead Free |
Lead Free |
BQ24745RHDR Overview
The Tape & Reel (TR) package contains it.With this item, there is a 28-VFQFN Exposed Pad package that comes with it.There is a mounting type of Surface Mount for this device.To ensure reliable performance, the temperature should be set to -40°C~125°C TJ.It functions by using an analog IC called POWER SUPPLY SUPPORT CIRCUIT.Charge the device by providing it with Constant - Programmable current.There are related parts to this device according to the base part number BQ24745.As you can see, it has 28 terminations in it.The battery pack has 19.2V Max.This board has 28 pins, making it very simple to construct.On the device, it is listed as having a charge current of 8.064A.This product requires that a total of 28 pins be connected in order for it to work correctly.The number of available channels is 1.This should be able to operate off of a battery that has a voltage of 20V.It is important that the supply voltage does not exceed 24V for the device to work properly.The possibility of optimal efficiency exists if 19.2V output voltage is used as the output voltage.In order to operate, an output current of 8A is used.This device is classified as Power Management Circuits under the subcategory.It can function at as low a supply voltage as possible, such as 7V.It was determined during the design process that Vsup (maximum supply voltage) should be set to 12mA.The input voltage is set to 7V volts.As far as switching frequency is concerned, the part runs at 300kHz.
BQ24745RHDR Features
Battery pack voltage of 19.2V Max
1 channels
Power Management Circuits subcategory
Switching frequency of 300kHz
28-VFQFN Exposed Pad package
BQ24745RHDR Applications
There are a lot of Texas Instruments BQ24745RHDR Battery Chargers ICs applications.
- Maintenance shops
- Mobile lighting
- Electric tour bus
- Painting boat
- Digital camera
- Robot
- Man lift
- Tablets
- Cellphones
- Material handling