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参数资料
| 型号： | MAX1648 |
| 厂商： | Maxim Integrated Products, Inc. |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | Chemistry-Independent Battery Chargers |
| 中文描述： | 与化学类型无关的电池充电控制器 |
| 文件页数： | 11/24页 |
| 文件大小： | 161K |
| 代理商： | MAX1648 |
_______________Detailed Desc ription
Output Charac teristic s
The MAX1647/MAX1648 contain both a voltage-
regulation loop and a current-regulation loop. Both
loops operate independently of each other. The volt-
age-regulation loop monitors BATT to ensure that its
voltage never exceeds the voltage set point (V0). The
current-regulation loop monitors current delivered to
BATT to ensure that it never exceeds the current-limit
set point (I0). The current-regulation loop is in control
as long as BATT voltage is below V0. When BATT volt-
age reaches V0, the current loop no longer regulates,
and the voltage-regulation loop takes over. Figure 5
shows the V-I characteristic at the BATT pin.
M
Chemistry-Independent
Battery Chargers
______________________________________________________________________________________
11
Table 1b. Component Suppliers
D2
C5
R5
M1
M2
R1
BATTERY
L1
C7
D1
D3
D4
DC SOURCE
R3
THM
REF
CCI
C6
C1
T
C2
R2
C3
C4
R8
R9
R10
R11
R4
MAX1648
DCIN
VL
CCV
SETV
SETI
BST
LX
DLO
PGND
DHI
CS
BATT
AGND
7.5V–28V
Figure 4. MAX1648 Typical Operating Circuit
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相关PDF资料 |
PDF描述 |
|---|---|
| MAX1647-MAX1648 | Chemistry-Independent Battery Chargers |
| MAX1648ESE | Chemistry-Independent Battery Chargers |
| MAX1647EAP | Chemistry-Independent Battery Chargers |
| MAX1649CSA | 5V/3.3V or Adjustable, High-Efficiency, Low-Dropout, Step-Down DC-DC Controllers |
| MAX1651 | 5V/3.3V or Adjustable, High-Efficiency, Low-Dropout, Step-Down DC-DC Controllers |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1648ESE | 功能描述:电池管理 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 |
| MAX1648ESE+ | 功能描述:电池管理 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 |
| MAX1648ESE+T | 功能描述:电池管理 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 |
| MAX1649CPA | 功能描述:DC/DC 开关控制器 5/3.3/Adj Low-Drop Step-Down RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX1649CPA+ | 功能描述:DC/DC 开关控制器 5/3.3/Adj Low-Drop Step-Down RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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