U2403BM, U2403BMFPG3, U2405B Selling Leads, Datasheet
MFG:tfk Package Cooled:tfk D/C:dc01
U2403BM, U2403BMFPG3, U2405B Datasheet download
Part Number: U2403BM
MFG: tfk
Package Cooled: tfk
D/C: dc01
U2403BM, U2403BMFPG3, U2405B
- Table of contents:
Info of U2403BM
Info of U2403BMFPG3
Info of U2405B
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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 U2400B
PDF/DataSheet Download
Datasheet: U2400B
File Size: 906960 KB
Manufacturer: TEMIC [TEMIC Semiconductors]
Download : Click here to Download
About U2405B
PDF/DataSheet Download
Datasheet: U2405B
File Size: 319928 KB
Manufacturer: TEMIC [TEMIC Semiconductors]
Download : Click here to Download
U2405B General Description
The fast-charge battery controller circuit, U2405B, uses bipolar technology. The IC enables the designer to create an efficient and economic charge system. The U2405B 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 incorporates an additional algorithm for reactivating fully drained batteries especially after longtime storage. It has two LED driver indications for charge and temperature status.
U2405B 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 |
U2405B Features
· Preformation algorithm for drained batteries
· 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
U2405B Typical Application
· Portable power tools
· Laptop/notebook personal computer
· Cellular/cordless phones
· Emergency lighting systems
· Hobby equipment
· Camcorder
U2405B Connection Diagram
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