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U2400B

Vishay Telefunken
Part Number U2400B
Manufacturer Vishay Telefunken
Description Charging of Batteries with Automatic Pre-Discharge
Published Apr 16, 2005
Detailed Description U2400B Charging of Batteries with Automatic Pre-Discharge Description The monolithic integrated circuit, U2400B, is a b...
Datasheet PDF File U2400B PDF File

U2400B
U2400B

Overview
U2400B Charging of Batteries with Automatic Pre-Discharge Description The monolithic integrated circuit, U2400B, is a bipolar circuit, designed for automatic recharging of NiCd/ NiMH batteries.
It has controlled and defined charging characteristics for various charging sequences with *subsequent trickle charge operation.
The long life *Memory Effect of the recharging cell remains intact.
Features D Three time selections: 0.
5 h, 1 h or 12 h with subsequent trickle charge operation D Battery temperature and contact monitoring D Charging interrupt for overvoltage or excessive temperature D Automatic pre-discharge possible D Separate charge- and discharge outputs D Pulse-width modulation facility of charge- and discharge current for matching to transformer or battery data D Timer clock via mains or internal oscillator D Reference voltage source D LED-status output for mode indication Case: DIP16, SO16L 8 14 16 0.
5 Hz 94 9375 11 Mains supply 7 Reference Open Ref on off Test logic Mains synchronization 1 3 200 Hz Oscillator – 2+ Control unit PWM Time Status Discharge Reset 13 Ref 12 h GND 1 h Charge time selection Open 0.
5 h Failure – charge mode II Continue Alternating 15 Ref charging red / green I Stop Red Open charging indicator Status display output 9 Charge Start Stop Charge output 12 Discharge stop 0.
53 V + –6 0.
53 V + – Sensor monitoring 5 + – 2.
95 V Event counter Vmax 0.
53 V – +4 Battery contact monitoring – + 0.
18 V 10 Discharge output Figure 1.
Block diagram TELEFUNKEN Semiconductors Rev.
A2, 21-Nov-96 1 (15) TELEFUNKEN Semiconductors Rev.
A1, 21-Nov-96 2 (15) Figure 2.
220 mF 10 mF V Ref 430 kW C1 11 C3 7 R1 3 15 nF C2 2 B1 13 B2 open 15 +V S 8 Mains supply Reference 14 Open on Ref off 16 0.
5 Hz Test logic 94 9376 Mains synchronization 1 D2 .
.
.
D5 BYX86 D1 BYX86 G A1 A2 V = 12 V~ 200 Hz Oscillator Control unit PWM Time Status Discharge Reset Ref GND Open 12 h 1h 0.
5 h Charge time selection F...


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