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参数资料
| 型号： | MAX14578AEEWC+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/23页 |
| 文件大小： | 0K |
| 描述： | IC CHRGR DETECTOR USB LI+ 12WLP |
| 标准包装： | 2,500 |
| 功能： | 充电管理 |
| 电池化学： | 锂离子（Li-Ion） |
| 电源电压： | 2.8 V ~ 5.5 V, 3.5 V ~ 28 V |
| 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： | * |
MAX14578E/MAX14578AE
USB Battery Charger Detectors
ELECTRICAL CHARACTERISTICS (continued)
(V BAT = +2.8V to +5.5V, V B = +3.5V to +5.5V, T A = -40 N C to +85 N C, unless otherwise noted. Typical values are at V BAT = +3.6V,
V B = +5.0V, T A = +25 N C.) (Note 4)
PARAMETER
TD- Pulldown Resistor
SYMBOL
R TD-_DWN
CONDITIONS
MIN
14.25
TYP
MAX
24.8
UNITS
k I
Charger Detection Weak Sink
I WEAK
0.18
F A
VBUS25 Ratio
VBUS47 Ratio
VBUS60 Ratio
DCD M Time
DCD C Time
VBUS25
VBUS47
VBUS60
t MDEB
t CDEB
Reference ratio for special charger as a
percentage of V BUS voltage, V B = 5V
Reference ratio for special charger as a
percentage of V BUS voltage, V B = 5V
All comparator s
All comparator s
24
44
57.5
20
26
47
60.3
30
29
50
63.5
40
5
%
%
%
ms
ms
DCD Timer
2
s
Charger-Detect Source Time
Charger-Detect-Type
Detection Time
t DP_SRC_ON
t DP_RES_ON
DCHK = 0
DCHK = 1
120
40
625
ms
ms
Charger-Detect Delay Time
V B Attach to CE1 and CE2
Output Time
t DP_SRC_HICRNT
t VBSW
From V B > V VBDET or CHG_TYP_M = 1
(DCHK = 0) to CE1 and/or CE2 change
From V B > V VBDET or CHG_TYP_M = 1
(DCHK = 1) to CE1 and/or CE2 change
40
80
520
1450
ms
ms
V B Raw-Detect Threshold
V B -Detect Threshold
V B -Detect Threshold
Hysteresis
V VBRAW
V VBDET
V VBDET_HYS
1.7
3.2
38
2.6
3.5
50
3.5
3.3
V
V
mV
USB ANALOG SWITCHES (CD-, CD+)
Analog-Signal Range
On-Resistance
On-Resistance Match
Between Channels
On-Resistance Flatness
V DN2 , V DP2
R ONUSB
D R ONUSB
R FLATUSB
CP_ENA = 0 (MAX14578E)
CP_ENA = 1
V BAT = +3.0V, I CD+ = I CD- = 10mA,
V CD+ , V CD- = 0 to +3.0V
V BAT = +3.0V, I CD+ = I CD- = 10mA,
V CD+ , V CD- = +400mV
V BAT = +3.0V, I CD+ = I CD- = 10mA,
V CD+ , V CD- = 0 to +3.3V
0
V SWNEG
3.3
0.06
V VCCINT
V SWPOS
6
0.5
0.26
V
I
I
I
V BAT = 4.2V, switch open, V CD+ =
Off-Leakage Current
I LUSB(OFF)
V CD- = +0.3V or +2.5V; V TD+ or V TD- =
-360
+360
nA
+2.5V or +0.3V
On-Leakage Current
I LUSB(ON)
V BAT = 4.2V, switch closed, V CD+ or
V CD- = +0.3V or +2.5V
-360
+360
nA
DIGITAL SIGNALS ( INT , SCL, SDA, EN , CE0, CE1, CE2)
Input Logic-High
V IH
1.4
V
Input Leakage Current
Input Logic-Low
I INLEAK
V IL
-1
+1
0.4
F A
V
4
Maxim Integrated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX14578AEWC+ | 制造商:Maxim Integrated Products 功能描述:USB CHARGER DETECTION IC - Rail/Tube |
| MAX14578AEWC+T | 制造商:Maxim Integrated Products 功能描述:USB CHARGER DETECTION IC - Tape and Reel |
| MAX14578EETE+ | 功能描述:电池管理 USB Battery Charger Detector 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 |
| MAX14578EETE+T | 功能描述:电池管理 USB Battery Charger Detector 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 |
| MAX14578EEWC+ | 功能描述:电池管理 USB Battery Charger Detector 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 |
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