參數(shù)資料
型號： MAX1874EVKIT
廠商： Maxim Integrated Products, Inc.
英文描述： MAX1874 Evaluation Kit
中文描述： MAX1874評估板
文件頁數(shù)： 3/16頁
文件大?。?/td> 405K
代理商： MAX1874EVKIT
M
Dual-Input, USB/AC Adapter, 1-Cell
Li+ Charger with OVP and Thermal Regulation
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
USB
= V
DC
= V
DCLV
= V
EN
= V
USEL
= 5V, V
BATT
= 4.2V, V
THRM
= V
REF
/ 2, Circuit of Figure 2,
T
A
= 0
°
C to +85
°
C
, unless otherwise
noted. Typical values are at T
A
= +25
°
C.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
BATTERY CHARGING AND PRECHARGE CURRENT
DCI Voltage Range
0.1 x V
REF
950
490
V
REF
1050
550
495
95
V
V
DCI
= V
REF
V
DCI
= V
REF
/ 2
USEL = high
USEL = low
Measured from 10% to 90%
V
BATT
= 2.5V
No DC or USB power, V
BATT
= 4.2V
EN = GND, USB- and/or DC-powered
1000
520
455
82
7
55
5
1
DCI Voltage to BATT Current
mA
USB Charging Current
mA
Soft-Start Current-Ramp Time
Prequal Charging Current
BATT Input Current
BATT Shutdown Current
THERMISTOR MONITOR AND DIE-TEMPERATURE REGULATION
THRM COLD Trip Level
THRM HOT Trip Level
THRM Disable Threshold
Internal Die Thermal Limit
LOGIC INPUT/OUTPUTS AND GATE DRIVERS
ms
mA
μA
μA
35
70
7.5
2
(Note 2)
(Note 2)
0.72
0.28
50
0.74
0.29
100
+105
0.76
0.30
150
V
REF
V
REF
mV
°
C
PON High Output Resistance
PON pulled up to active input (DCLV or USB),
V
DCLV
or V
USB
= 5V
PON resistance to GND, V
DCLV
= V
USB
= 0
DCOK
pulled low
V
DCOK
= 12V, V
DC
= 0V
UOK
resistance to GND, V
DC
= 0
V
UOK
= 6.5V
DC input (% of charge current set at DCI)
U S B i np ut, U S E L = 5V ( % of U S B char g ng cur ent)
25
PON Low Output Resistance
DCOK
Low Output Resistance
DCOK
Off-Leakage Current
UOK
Output Resistance
UOK
Off-Leakage Current
120
25
k
μA
μA
1
25
1
19
30
8
20
12.5
25
CHG
Threshold to Indicate Battery Full,
Battery Current Falling (Note 3)
USB input with USEL = 0
Voltage
mode
%
CHG
Logic-Low Output
CHG
Leakage Current
EN, USEL Logic-Input High Level
EN, USEL Logic-Input Low Level
EN, USEL Input Bias Current
Sinking 10mA sink
V
CHG
= 6.5V
0.4
1
V
μA
V
V
μA
1.6
0.4
1
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參數(shù)描述
MAX1875AEEG 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
MAX1875AEEG+ 功能描述:電壓模式 PWM 控制器 Dual 180 Out PWM Step-Down RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
MAX1875AEEG+T 功能描述:電壓模式 PWM 控制器 Dual 180 Out PWM Step-Down RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
MAX1875AEEG-T 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
MAX1875EEG 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
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