参数资料
型号: DS2711E+T&R
厂商: Maxim Integrated Products
文件页数: 5/15页
文件大小: 0K
描述: IC NIMH CHARGER 16TSSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1,000
功能: 充电管理
电池化学: 镍金属氢化物
电源电压: 4 V ~ 5.5 V
工作温度: -20°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 16-TSSOP
包装: 带卷 (TR)
DS2711/DS2712: Loose-Cell NiMH Chargers
Figure 2. State Diagram
VDD < VPOR -VHYS
(asynchronously from
VBAT > 1.75V
anywhere)
POR
Standby power
CCx = Hi-Z
LEDx = Hi-Z
VDD > VPOR (3.7V)
Presence
TEST
CCx = Hi-Z
LEDx = No Battery
OR
T < 0C
OR
T > 45C
t < PCTimeout
OR
VBAT < 1V
PreCHG
CCx = Active
12.5% Par., 25% Ser.
LEDx = Charging
VBAT < 1.65V
VBAT > 1.75V
VBAT > 1.75V
VBAT > 1V
t > PCTimeout
OR T < 0
OR T > 50
OR VBAT > 1.75V
FAULT
Standby power
CCx = Hi-Z
LEDx = Fault
(asynchronously
from anywhere)
AND
t < PCTimeout
t < 1s
AND
T < 50C
PASS
Cell Test
CCx = Hi-Z
LEDx = Charging
32 clock
FAIL:
VON - VOFF > V CTST
VBAT > 1.75V
t < Fast Timeout
Fast
CHG
CCx = Active
48% Par., 97% Ser.
LEDx = Charging
delta-V detect
OR
t > Fast Timeout
interval
T > 50
t < Topoff Timeout
Topoff
CHG
CCx = Active
12.5% Par., 25% Ser.
T > 50
OR
t > Topoff Timeout
MAINT
CCx = Active 1/64
LEDx = Maintenance
LEDx = Charging
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