参数资料
型号: MAX8939EWV+T
厂商: Maxim Integrated Products
文件页数: 3/45页
文件大小: 0K
描述: IC PWR MGMT HANDSETS 30WLP
标准包装: 2,500
应用: 充电泵,无线设备
输入电压: 2.9 V ~ 5.5 V
输出数: 7
工作温度: -40°C ~ 85°C
安装类型: *
封装/外壳: *
供应商设备封装: *
包装: *
MAX8939/MAX8939A/MAX8939B
System Power Management
for Mobile Handset
ELECTRICAL CHARACTERISTICS (Note 3) (continued)
(V BATT = 3.7V, V CHG_IN = 5.0V, circuit of Figure 1, T A = -40 N C to +85 N C, unless otherwise noted. Typical values are at T A = +25 N C.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
LOGIC AND CONTROL OUTPUTS
IRQ (Open-Drain Output)
Output Low Voltage
PWR_ON_CMP (Open-Drain
Output) Output Low Voltage
SDA Output Low Level
I IRQ = 2mA
I PWR_ON_CMP = 2mA
I SDA = 6mA
0.4
0.4
0.4
V
V
V
I 2 C SERIAL INTERFACE (V SCL = V SDA = 3V) (Figure 15)
Clock Frequency
400
kHz
Bus-Free Time Between START and
STOP
Hold Time Repeated START
Condition
SCL Low Period
SCL High Period
Setup Time Repeated START
Condition
SDA Hold Time
SDA Setup time
t BUF
t HD_STA
t LOW
t HIGH
t SU_STA
t HD_DAT
t SU_DAT
1.3
0.6
1.3
0.6
0.6
0
100
F s
F s
F s
F s
F s
F s
ns
Maximum Pulse Width of Spikes
that Must Be Suppressed by the
Input Filter of Both DATA and CLK
Signals
50
ns
Setup Time for STOP Condition
t SU_STO
0.6
F s
CHG_IN
Input Operating Range
4.1
10
V
CHG_IN Current
CHG_IN Leakage Current from
CHG_IN to BATT
Reverse Leakage Current from
BATT to CHG_IN
CHG_IN Trip Point
V CHG_IN = 28V, V BATT = 4V, MAX8939A/MAX8939B
V CHG_IN = 28V, V BATT = 0V, MAX8939A/MAX8939B
V CHG_IN = 0V, V BATT = 0 to 4.2V, MAX8939A/
MAX8939B
V CHG_IN - V BATT , rising
V CHG_IN - V BATT , falling
400
200
600
21
300
100
1000
80
10
400
F A
F A
F A
mV
V CHG_IN - V BATT , hysteresis
200
MAX8939, V CHG_IN rising, 500mV hysteresis (typ)
3.9
4.0
4.1
Input Undervoltage Threshold (UV)
Input Overvoltage Threshold (OVP)
Input Supply Current
Shutdown Input Current
MAX8939A/MAX8939B, V CHG_IN rising, 900mV
hysteresis (typ )
MAX8939, V CHG_IN rising, 200mV hysteresis (typ)
MAX8939A/MAX8939B, V CHG_IN rising, 200mV
hysteresis (typ )
I CHG_IN - I BAT T = 90mA
Charger disabled
3.9
10.2
6.25
4.0
10.6
6.5
750
4.1
11
6.75
1500
500
V
V
F A
F A
Maxim Integrated
3
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