参数资料
型号: MAX8934EETI+T
厂商: Maxim Integrated Products
文件页数: 10/32页
文件大小: 0K
描述: IC LI+/LIPOLY BATT CHRGER 28WQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
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 ~ 6.6 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: 带卷 (TR)
MAX8934A–MAX8934E
Dual-Input Linear Chargers, Smart Power Selector
with Advanced Battery Temperature Monitoring
Typical Operating Characteristics (continued)
(MAX8934A, T A = +25 N C, circuit of Figure 2, V DC = 6V, V BATT = 3.6V, thermistor Beta = 3964, unless otherwise noted. Negative bat-
tery current indicates charging.)
5.5
SYS OUTPUT VOLTAGE vs.
SYS OUTPUT CURRENT (USB)
5.5
SYS OUTPUT VOLTAGE vs.
SYS OUTPUT CURRENT (USB)
5.3
5.1
4.9
4.7
4.5
4.3
4.1
3.9
3.7
3.5
V BATT = 4.0V,
V USB = 5.0V
CEN = 1
0.5A, MAX8934A,
PEN1 = 0, PEN2 = 1
0.1A, MAX8934A, PEN1 = 0, PEN2 = 0
5.3
5.1
4.9
4.7
4.5
4.3
4.1
3.9
3.7
3.5
V BATT = 4.0V,
V USB = 5.0V
CEN = 1
0.14A, MAX8934B/MAX8934C/
MAX8934D PEN1 = 0, PEN2 = 0
0.5A, MAX8934B/MAX8934C/
MAX8934D PEN1 = 0, PEN2 = 0
1.5A, MAX8934D
PEN1 = 1, PEN2 = 1
0
0.5
1.0
1.5
2.0
2.5
3.0
0
0.5
1.0
1.5
2.0
2.5
3.0
SYS OUTPUT CURRENT (A)
V L OUTPUT VOLTAGE vs.
DC VOLTAGE
SYS OUTPUT CURRENT (A)
CHARGE PROFILE—820mAh BATTERY
USB INPUT—500mA CHARGE
3.5
3.0
2.5
500
450
400
350
MAX8934A toc17
4.5
4.0
2.0
1.5
I VL = 5mA
300
250
200
V BATT
I BATT
3.5
3.0
1.0
150
0.5
0
I VL = 0mA
100
50
0
2.5
2.0
0
2
4
6
8
10
12
14
0
20
40
60
80
100
120
140
DC VOLTAGE (V)
TIME (min)
C DC CHARGING
1.2
1.0
0.8
0.6
CHARGE PROFILE—820mAh BATTERY
ADAPTER INPUT—1A CHARGE
V BATT
I BATT
4.5
4.0
3.5
3.0
V SYS
I DC
I USB
DC CONNECT WITH USB
CONNECTED (R SYS = 22 I )
MAX8934A/B/C toc19
4.2V 5.3V
C SYS CHARGING
1.24A
0A
475mA
5V/div
1A/div
500mA/div
0.4
2.5
BATTERY CHARGER SOFT-START
0.2
2.0
I BATT
-190mA 0A
-1A
1A/div
0
1.5
0
10
20
30
40
50
60
70
80
400 F s/div
TIME (min)
10
Maxim Integrated
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