参数资料
型号: MAX846AEEE+T
厂商: Maxim Integrated Products
文件页数: 4/12页
文件大小: 0K
描述: IC SYS BAT CHRG 16-QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
功能: 充电管理
电池化学: 多化学
电源电压: 3.7 V ~ 20 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
供应商设备封装: 16-QSOP
包装: 带卷 (TR)
Cost-Saving Multichemistry
Battery-Charger System
ELECTRICAL CHARACTERISTICS (Note 1)
(V DCIN = 10V, ON = VL, I VL = I VSET = 0mA, V CS - = V CS+ = 10V, V BATT = 4.5V, V OFFV = V CELL2 = 0V, T A = -40°C to +85°C, unless
otherwise noted.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VL REGULATOR
DCIN Supply Current
V DCIN = 20V, I DRV = I VL = 0mA
5
mA
Output Voltage
PWROK Trip Level
VL Undervoltage-Lockout Level
0mA < I VL < 20mA, 3.7V < V DCIN < 20V
Rising VL edge, 2% hysteresis
3.259
2.9
2.5
3.341
3.1
3.0
V
V
V
REFERENCE
Output Voltage
Output Resistance
Measured at VSET, I VSET = 0mA, V ON = 0V
-0.7%
-2%
1.650
20
+0.7%
+2%
V
k ?
CURRENT-SENSE AMPLIFIER
Transconductance
Output Offset Current
CS+, CS- Off Input Current
V ISET = 1.7V, V CS+ - V CS- = 165mV
V CS+ = 4V
V ON = 0V, V CS+ = V CS- = 10V
0.93
1.07
5
10
mA/V
μ A
μ A
VOLTAGE LOOP
V VSET = 1.650V, V CELL2 = 0V, I DRV = 1mA,
Voltage-Loop Set Point
BATT Off Input Current
MAX846A
V DRV = 10V
V VSET = 1.650V, V CELL2 = VL, I DRV = 1mA,
V DRV = 10V
V BATT = 10V, ON = GND, CELL2 = GND or VL
-0.35%
-0.35%
4.2
8.4
+0.35%
+0.35%
1
V
μ A
CURRENT LOOP
Current-Loop Set Point
Overcurrent Trip Level
I DRV = 5mA, V DRV = 10V
When V ISET exceeds this voltage, DRV current
is disabled.
1.625
1.86
1.675
2.14
V
V
DRIVER
DRV Sink Current
DRV Off Current
V DRV = 3V
V DRV = 20V , ON = GND
20
100
mA
μ A
Note 1: Specifications to -40°C are guaranteed by design and not production tested.
4
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