參數(shù)資料
型號: MAX1874
廠商: Maxim Integrated Products, Inc.
英文描述: MAX1874 Evaluation Kit
中文描述: USB/AC適配器雙路輸入、1節(jié)Li+電池充電器,帶OVP與溫度調節(jié)
文件頁數(shù): 7/16頁
文件大?。?/td> 405K
代理商: MAX1874
M
Dual-Input, USB/AC Adapter, 1-Cell
Li+ Charger with OVP and Thermal Regulation
_______________________________________________________________________________________
7
OFF-BATTERY LEAKAGE
vs. USB INPUT VOLTAGE
M
V
USB
(V)
I
B
(
μ
A
6
5
3
4
2
1
1
2
3
4
5
6
7
8
9
10
0
0
7
V
EN
= 0
V
DCLV
= V
DC
= 0
V
BATT
= 4.2V
OFF-BATTERY LEAKAGE
vs. DC INPUT VOLTAGE
M
V
DCIN
(V)
I
B
μ
A
6
5
3
4
2
1
1
2
3
4
5
6
7
8
9
10
0
0
7
V
EN
= 0
V
USB
= 0
V
BATT
= 4.2V
V
DC
= V
DCLV
USB LEAKAGE vs. DC INPUT VOLTAGE
M
V
DCIN
(V)
I
U
16
14
12
10
8
6
4
2
100
200
300
400
500
600
0
0
18
LEAKAGE FROM USB TO GND
V
EN
= 5V
BATTERY CURRENT AND VOLTAGE
vs. TIME
MAX1874 toc13
1.5AHr CELL
TIME (MIN)
I
B
200
150
50
100
100
200
300
400
500
600
700
800
900
1000
0
0.8
1.6
2.4
3.2
4.0
4.8
5.6
6.4
7.2
8.0
0
0
300
250
V
B
A
C
(
I
BATT
CHG
V
BATT
RESPONSE TO OVERVOLTAGE INPUT
USB = 0
MAX1874 toc14
40ms/div
20V/div
DC
DCLV
PON
5V/div
5V/div
20V/div
DCOK
DC CONNECT WAVEFORMS
V
USB
= 0, V
BATT
= 3.9V
MAX1874 toc15
40ms/div
10V/div
DC
DCLV
PON
10V/div
10V/div
1A/div
10V/div
DCOK
I
BATT
Typical Operating Characteristics (continued)
(V
USB
= V
DC
= V
DCLV
= V
EN
= 5V, V
BATT
= 4.2V, V
THRM
= V
REF
/ 2, V
DCI
= V
REF
, V
USEL
= 5V, Circuit of Figure 4, T
A
= +25
°
C,
unless otherwise noted.)
DC CONNECT WAVEFORMS
V
USB
= 5V, V
BATT
= 3.9V
MAX1874 toc16
40ms/div
10V/div
DC
DCLV
PON
10V/div
10V/div
1A/div
10V/div
DCOK
I
BATT
USB CONNECT WAVEFORMS
V
DC
= 0, V
BATT
= 3.9V
MAX1874 toc17
40ms/div
5V/div
USB
PON
5V/div
500mA/div
5V/div
UOK
I
BATT
DC STARTUP WAVEFORMS FOR ENABLE
V
BATT
= 3.9V
MAX1874 toc18
10ms/div
5V/div
EN
5V/div
500mA/div
CHG
I
BATT
相關PDF資料
PDF描述
MAX1874ETE Dual-Input, USB/AC Adapter, 1-Cell Li+ Charger with OVP and Thermal Regulation
MAX1874EVKIT MAX1874 Evaluation Kit
MAX1875 Dual 180∑ Out-of-Phase PWM Step- Down Controllers with POR
MAX1875-MAX1876 Dual 180∑ Out-of-Phase PWM Step- Down Controllers with POR
MAX1875AEEG Dual 180∑ Out-of-Phase Buck Controllers with Sequencing/Prebias Startup and POR
相關代理商/技術參數(shù)
參數(shù)描述
MAX1874ETE 功能描述:電池管理 Dual-Input USB/AC Adapter 1-Cell Li+ RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
MAX1874ETE+ 功能描述:電池管理 Dual-Input USB/AC Adapter 1-Cell Li+ RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
MAX1874ETE+T 功能描述:電池管理 Dual-Input USB/AC Adapter 1-Cell Li+ RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
MAX1874ETE-T 功能描述:電池管理 Dual-Input USB/AC Adapter 1-Cell Li+ RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
MAX1874EVKIT 功能描述:電池管理 Evaluation Kit for the MAX1874 RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel