BA3170 - Trickle-charge IC for two-cell/ lithium-ion batteries

Product Overview

Rohm

Datasheet Details

Part number	BA3170
Manufacturer	ROHM
File Size	130.18 KB
Description	Trickle-charge IC for two-cell/ lithium-ion batteries
Datasheet	BA3170 Datasheet
Additional preview pages of the BA3170 datasheet.

Product details

Description

BA3170 FElectrical characteristics (unless otherwise noted, Ta = 25_C, VCC = 12V, R1 = 58.7kΩ, R2 = 10kΩ) 397 Regulator ICs BA3170 FOperation notes (1) Do not use values other than CT = 0.022µF for the timing capacitor, and C1 = 10µF for the output capacitor.(2) For the output capacitor C1, use a tantalum capacitor with low capacitance variation with temperature, and a static capacitance tolerance of ±10% or less.(3) For the timing capacitor CT, use a film capacitor with low capacitance

Features

1) Output voltage can be varied using an external resistor. 2) The output pin is PNP output with low saturation voltage. 3) Built-in output current limiting circuit protects batteries from excessive current, and prevents destruction of the IC due to output shorts. The initial charge current is set to a low value (the current limit pin voltage can be used to vary the current limit value). 4) Pulse charging at over 99% of the final voltage. FAbsolute maximum ratings (Ta = 25_C) 5) 6) 7) 8) 9) Bu.

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Published: Apr 1, 2005 |