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参数资料
| 型号： | MAX8971EWP+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 15/39页 |
| 文件大小： | 0K |
| 描述： | IC DCDC CHRGR LI+ 1CELL 20WLP |
| 标准包装： | 2,500 |
| 功能： | 充电管理，过压/欠压保护 |
| 电池化学： | 锂离子（Li-Ion）、锂聚合物（Li-Pol） |
| 电源电压： | 4 V ~ 7.5 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： | * |
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MAX8971
Industry's Smallest 1.55A
1-Cell Li+ DC-DC Charger
Bump Description (continued)
PIN
C4
C5
D1, D2
D3
D4
D5
NAME
SCL
SDA
DC1, DC2
PVL
SFO
AVL
FUNCTION
I 2 C Interface Clock. Connect a 10k I resistor from SCL to I2CIN.
I 2 C interface Data. Connect a 10k I resistor from SDA to I2CIN.
High-Current Charger Input Supply Pin(s). Bypass to PG_ with a 2.2 F F ceramic capacitor. DC is
capable of delivering up to 1.5A to BYP. DC supports both AC adapter and USB inputs. Short DC1
and DC2 together externally.
Internal Bias Regulator High-Current Output Bypass Pin. Supports internal noisy and high-current
gate drive loads. Bypass to PGND with a minimum 1 F F ceramic capacitor. Do not use PVL to power
external loads.
5V Regulated LDO Output. Bypass SFO to GND with a 1 F F or larger ceramic capacitor. SFO can be
used to supply low-voltage rated USB systems.
Internal-Bias-Regulator Quiet Analog Bypass Pin. Internal 10 I connection between PVL and AVL
forms a lowpass filter with external bypass capacitor to GND. Do not use AVL to power
external loads.
-0.3V TO +22V
TOLERANT
4.0V TO 10V OPERATIONAL
DC1,
C7
4.7μF
6.3V
0402
C3
1μF
DC
C1
2.2μF
25V
0603
DC2
SFO
PVL
BYP
BST
BYP
LX1,
LX2
C6
0.1μF
0402
L1, 1μH
2520
C2
1μF
25V
0603
6.3V
0402
C4
4.7μF
6.3V
AVL
GND
MAX8971
PG1,
PG2
0402
CS
V ICHG
R1, 47m I
I2CIN
BAT
0402
C5
BAT+
μP
IRQB
2.2μF
6.3V
0603
BAT-
SYSTEM
THM
LOAD
Figure 1. Typical Application Circuit
Maxim Integrated
SDA
SCL
AVL
R TB
0402
R2,
100k I
15
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8971QEWP+T | 功能描述:电池管理 Switch-Mode Li+ Charger 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 |
| MAX8973AEWI+ | 制造商:Maxim Integrated Products 功能描述:HIGH CURRENT, MULTI-PHASE DC/DC STEP-DOWN CONVERTER - Rail/Tube |
| MAX8973AEWI+T | 制造商:Maxim Integrated Products 功能描述:HIGH CURRENT, MULTI-PHASE DC/DC STEP-DOWN CONVERTER - Tape and Reel |
| MAX8982AEWO+T | 制造商:Maxim Integrated Products 功能描述:POWER MANAGEMENT IC FOR ICERA E400/E450 PLATFORM-MINI CARD - Tape and Reel |
| MAX8982EWO+T | 功能描述:PMIC 解决方案 PMIC for ICERA E400/E450 Platform RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
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