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BA3170 Datasheet

  • BA3170

  • Trickle-charge IC for two-cell, lithium-ion batteries

  • 8頁

  • ROHM

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Regulator ICs
Trickle-charge IC for two-cell,
lithium-ion batteries
BA3170
The BA3170 is a trickle-charge IC developed for two-cell, lithium-ion batteries.The IC includes a charge control circuit,
a charge output transistor, and an LED driver for showing the charging status.
FApplications
Lithium-ion (two cell) battery chargers, and charging circuits
FFeatures
1) Output voltage can be varied using an external resis-
tor.
2) The output pin is PNP output with low saturation volt-
age.
3) Built-in output current limiting circuit protects batter-
ies from excessive current, and prevents destruction
of the IC due to output shorts.
The initial charge current is set to a low value (the cur-
rent 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)
Built-in over-discharge battery return circuit.
Built-in charge fault protection circuit.
Built-in over-voltage battery operation circuit.
Built-in LED output for charge display (two outputs).
12-pin power package provides large power dissipa-
tion in a compact package.
10) Temperature protection circuit prevents thermal de-
struction of the IC.
5)
6)
7)
8)
9)
FRecommended
operating conditions (Ta = 25_C)
395

BA3170 產(chǎn)品屬性

  • 300

  • 集成電路 (IC)

  • PMIC - 電池管理

  • -

  • 充電管理

  • 鋰離子（Li-Ion）

  • 10 V ~ 20 V

  • -30°C ~ 85°C

  • 通孔

  • 12-SIP + 接片

  • 12-HSIP-B

  • 管件

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