多节锂电池同步升压充电-ZCC5518

Siweidianzi

1. General Description
ZCC5518 is a highly integrated synchronous
. g' Z% ?7 s1 x! l# N8 r* r  aboost charger IC for Lithium-ion batteries
3 }) @9 O7 t/ Iwith four cells in series. The charge
. J+ [2 L) p* p/ W! qcurrent up to 1A can be programmed by using
* F; ?" ?% ~, J+ z, Ithe external resistor for different
7 j' p- z) j7 K, `portable applications.
4 O: m# q) D/ y! k8 Z& |& ^Robust protections include input over
9 h! G, k/ Y8 E/ k+ b3 svoltage protection (OVP), battery OVP,
battery short protection, thermal shut
down, battery temperature monitor, a
6 ~1 f+ ?& Q; a$ S5 z5 [configurable timer to prevent prolonged
! v4 A: Q  A0 echarging of a dead battery.
2. Features

3.0V to 5.5V Operating Input Voltage

Up to 26V Sustainable Voltage
+ N; A* p1 p  _0 I, ^, D4 T4 _. B
( b) N: Q" T8 v. P% nUp to 1A Configurable Charge Current
for Battery with 4 Cells in Series