参数资料
型号: MAX8903DETI+
厂商: Maxim Integrated Products
文件页数: 3/30页
文件大小: 0K
描述: IC DC/DC CHARGER LI+ 2A 28-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 75
系列: Smart Power Selector™
功能: 充电管理
电池化学: 锂离子(Li-Ion)、锂聚合物(Li-Pol)
电源电压: 4.1 V ~ 16 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(4x4)
包装: 管件
MAX8903A–E/G/H/J/N/Y
2A 1-Cell Li+ DC-DC Chargers
for USB and Adapter Power
ELECTRICAL CHARACTERISTICS (continued)
(V DC = V USB = 5V, V BAT = 4V, circuit of Figure 2, T A = -40°C to +85°C, unless otherwise noted. Typical values are at T A = +25°C.)
(Note 1)
PARAMETER
DC Soft-Start Time
DC Output Current
500mA USB Mode (Note 3)
DC Output Current
100mA USB Mode (Note 2)
SYS to DC Reverse Current
Blocking
CONDITIONS
No valid USB input
Valid USB input before soft-start
V DCM = 0V, V IUSB = 5V
V DCM = 0V, V IUSB = 0V
V SYS = 5.5V, V DC = 0V
MIN
450
90
TYP
1
20
475
95
0.01
MAX
500
100
UNITS
ms
μs
mA
mA
μA
USB INPUT
USB Operating Range
USB Standoff Voltage
4.1
6.3
8
V
V
USB Undervoltage Threshold
USB Overvoltage Threshold
USB Current Limit
When V UOK goes low, V USB rising, 500mV hysteresis
When V UOK goes high, V USB rising, 500mV hysteresis
V IUSB = 0V (100mA setting)
V IUSB = 5V (500mA setting)
3.95
6.8
90
450
4.0
6.9
95
475
4.05
7.0
100
500
V
V
mA
I SYS = I BAT = 0mA, V CEN = 0V
1.3
3
USB Supply Current
Minimum USB to BAT Headroom
USB to SYS Dropout Resistance
USB Soft-Start Time
I SYS = I BAT = 0mA, V CEN = 5V
V USUS = 5V (USB suspend mode)
V USB rising
V DC falling below DC UVLO to initiate USB soft-start
0
0.8
0.115
15
0.2
1
20
2
0.25
30
0.35
mA
mV
?
ms
μs
SYS OUTPUT
Minimum SYS Regulation Voltage
(V SYSMIN )
I SYS = 1A,
V BAT < V SYSMIN
MAX8903A/B/E/G/Y
MAX8903C/D/H/J/N
MAX8903A/C/D/H/N/Y
4.3
3.0
3.4
4.4
4.5
V
Regulation Voltage
I SYS = 0A
MAX8903B/E/G
4.265
4.325
4.395
V
MAX8903J
4.4
4.5
4.55
Load Regulation
I SYS = 0 to 2A
MAX8903A/C/D/H
MAX8903B/E/G/J/N/Y
40
25
mV/A
CS to SYS Resistance
SYS to CS Leakage
V DC = 6V, V DCM = 5V, V SYS = 4V, I CS = 1A
V SYS = 5.5V, V DC = V CS = 0V
0.07
0.01
?
μA
BAT to SYS Resistance
V DC = V USB = 0V, V BAT = 4.2V, I SYS = 1A
0.05
0.1
?
BAT to SYS Reverse Regulation
Voltage
SYS Undervoltage Threshold
V USB = 5V, V DC = 0V, V IUSB = 0V, I SYS = 200mA
SYS falling, 200mV hysteresis (Note 4)
50
1.8
75
1.9
100
2.0
mV
V
Maxim Integrated
3
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MAX8903DETI+ 功能描述:电池管理 Dual AC/USB Powered 1-Cell Li+ Charger RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel
MAX8903DETI+T 功能描述:电池管理 Dual AC/USB Powered 1-Cell Li+ Charger RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel
MAX8903EETI+ 功能描述:电池管理 Dual AC/USB Powered 1-Cell Li+ Charger RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel
MAX8903EETI+T 功能描述:电池管理 Dual AC/USB Powered 1-Cell Li+ Charger RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel
MAX8903FETI+ 功能描述:电池管理 Dual AC/USB Powered 1-Cell Li+ Charger RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel