U2401B, U2402B, U2402BA Selling Leads, Datasheet
MFG:TFK Package Cooled:SOP8 D/C:2007+
U2401B, U2402B, U2402BA Datasheet download
Part Number: U2401B
MFG: TFK
Package Cooled: SOP8
D/C: 2007+
U2401B, U2402B, U2402BA
- Table of contents:
Info of U2401B
Info of U2402B
Info of U2402BA
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About U2400B
PDF/DataSheet Download
Datasheet: U2400B
File Size: 906960 KB
Manufacturer: TEMIC [TEMIC Semiconductors]
Download : Click here to Download
About U2402B
PDF/DataSheet Download
Datasheet: U2402B
File Size: 324673 KB
Manufacturer: TEMIC [TEMIC Semiconductors]
Download : Click here to Download
About U2400B
PDF/DataSheet Download
Datasheet: U2400B
File Size: 906960 KB
Manufacturer: TEMIC [TEMIC Semiconductors]
Download : Click here to Download
U2402B General Description
The fast-charge battery controller circuit, U2402B, uses bipolar technology. The IC enables the designer to create an efficient and economic charge system. The U2402B incorporates intelligent multiple-gradient batteryvoltage monitoring and mains phase control for power management. With automatic top-off charging, the integrated circuit ensures that the charge device stops regular charging, before the critical stage of overcharging is achieved. It has two LED driver indications for charge and temperature status.
U2402B Maximum Ratings
|
Parameters |
Symbol |
Value |
Unit |
| Supply voltage Pin 15 Voltage limitation IS = 10 mA |
VS |
26 |
V |
|
31 | |||
| Current limitation Pin 15 t < 100 s |
IS |
25 |
mA |
|
100 | |||
| Voltages at different pins Pins 1, 3 and 11 Pins 4 to 10, 12 to 14 and 16 to 18 |
V |
26 |
V |
|
7 | |||
| Currents at different pins Pin 1 Pins 3 to 14 and 16 to 18 |
I |
25 |
mA |
|
10 | |||
| Power dissipation Tamb = 60°C |
Ptot |
650 |
mW |
| Junction temperature |
Tj |
125 |
°C |
| Ambient temperature |
Tamb |
10 to +85 |
°C |
| Storage temperature |
Tstg |
40 to +125 |
°C |
U2402B Features
· Multiple gradient monitoring
· Temperature window (Tmin/Tmax)
· Exact battery voltage measurement without charge
· Phase control for charge-current regulation
· Top-off and trickle charge function
· Two LED outputs for charge status indication
· Disabling of d2V/dt2 switch-off criteria during battery formation
· Battery-voltage check
U2402B Typical Application
·Portable power tools
· Laptop/notebook personal computer
· Cellular/cordless phones
· Emergency lighting systems
· Hobby equipment
· Camcorder
U2402B Connection Diagram
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