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參數(shù)資料
| 型號： | MAX1647 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Chemistry-Independent Battery Chargers |
| 中文描述： | 與化學(xué)類型無關(guān)的電池充電控制器 |
| 文件頁數(shù)： | 18/24頁 |
| 文件大?。?/td> | 161K |
| 代理商： | MAX1647 |
M
Figure 8 shows the mapping between V0 (the voltage-
regulation-loop set point) and the ChargingVoltage( )
data.
The power-on reset value for the ChargingVoltage( )
register is 0xFFF0; thus, the first time a MAX1647 is
powered on, the BATT voltage regulates to 16.368V
with V
REF
= 4.096V. Any time the BATTERY_PRESENT
status bit is clear, the ChargingVoltage( ) register
returns to its power-on reset state.
ChargingCurrent( )
The ChargingCurrent( ) command uses Write-Word
protocol. The command code for ChargingCurrent( ) is
0x14; thus, the CMD7–CMD0 bits in Write-Word proto-
col should be 0b00010100. The 16-bit binary number
formed by D15–D0 represents the current-limit set point
(I0) in milliamps. Tying SEL to AGND selects a 1.023A
maximum setting for I0. Leaving SEL open selects a
2.047A maximum setting for I0. Tying SEL to VL selects
a 4.095A maximum setting for I0.
Chemistry-Independent
Battery Chargers
18
______________________________________________________________________________________
16.368
V
REF
= 4.096V
0
0b000000000000xxxx
0x000x
0x20Dx
0x3FFx
0b001000001101xxxx
0b001111111111xxxx
0x313x
0b001100010011xxxx
0xFFFx
0b111111111111xxxx
0x106x
0b000100000110xxxx
4.192
12.592
ChargingVoltage( ) D15–D0 DATA
8.400
Figure 8. ChargingVoltage( ) Data to Voltage Mapping
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX1648 | Chemistry-Independent Battery Chargers |
| 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 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1647EAP | 功能描述:電池管理 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 |
| MAX1647EAP+ | 功能描述:電池管理 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 |
| MAX1647EAP+T | 制造商:Maxim Integrated Products 功能描述:CHGR MULTI-CHEM 4A 18V 20SSOP - Tape and Reel |
| MAX1647EAP-T | 制造商:Maxim Integrated Products 功能描述:CHEMISTRY-INDEPENDENT BATTERY CHARGERS - Tape and Reel |
| MAX1648ESE | 功能描述:電池管理 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 |
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