| Parameters |
| Mounting Type |
Surface Mount |
| Package / Case |
28-VFQFN Exposed Pad |
| Surface Mount |
YES |
| Operating Temperature |
-10°C~100°C TA |
| Packaging |
Tape & Reel (TR) |
| JESD-609 Code |
e3 |
| Part Status |
Obsolete |
| Moisture Sensitivity Level (MSL) |
3 (168 Hours) |
| Number of Terminations |
28 |
| Terminal Finish |
Matte Tin (Sn) |
| Terminal Position |
QUAD |
| Terminal Form |
NO LEAD |
| Peak Reflow Temperature (Cel) |
NOT SPECIFIED |
| Number of Functions |
1 |
| Supply Voltage |
18V |
| Terminal Pitch |
0.5mm |
| Time@Peak Reflow Temperature-Max (s) |
NOT SPECIFIED |
| Base Part Number |
ISL6257 |
| JESD-30 Code |
S-PQCC-N28 |
| Number of Channels |
2 |
| Analog IC - Other Type |
POWER SUPPLY SUPPORT CIRCUIT |
| Adjustable Threshold |
YES |
| Fault Protection |
Over Temperature, Short Circuit |
| Battery Chemistry |
Lithium Ion/Polymer |
| Number of Cells |
2 ~ 4 |
| Voltage - Supply (Max) |
25V |
| Current - Charging |
Constant - Programmable |
| Battery Pack Voltage |
17.64V Max |
| Height Seated (Max) |
1mm |
| Length |
5mm |
| Width |
5mm |
| RoHS Status |
ROHS3 Compliant |
ISL6257HRZ-T Overview
I found it in the Tape & Reel (TR) package, which comes with everything you need.The 28-VFQFN Exposed Pad package includes it as a convenience.In this case, the device has a mounting type of Surface Mount.It is best to set the temperature to -10°C~100°C TA.The device relies on an analog IC called POWER SUPPLY SUPPORT CIRCUIT to operate.In order to charge the device, it needs to receive Constant - Programmable current.The base part number ISL6257 can be used to locate related parts for this device.It is possible to find a total of 28 terminations.It is 17.64V Max for the battery pack.It appears that there are 2 channels available at this time.Devices require 25V as their maximum supply voltage.Using a 18V battery should be enough to run it.
ISL6257HRZ-T Features
Battery pack voltage of 17.64V Max
2 channels
28-VFQFN Exposed Pad package
ISL6257HRZ-T Applications
There are a lot of Renesas Electronics America Inc. ISL6257HRZ-T Battery Chargers ICs applications.
- Ruggedized notebooks/tablet computers
- Personnel carriers
- Smart cameras
- Industrial lighting
- Truck dealers
- Forklift
- Medical
- Digital camera
- Wearables
- Electric vehicles