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參數(shù)資料
| 型號： | MAX1758 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | Replaced by TMS320C6410 : Digital Signal Processor 100-LQFP |
| 中文描述： | 獨立的開關(guān)模式Li+電池充電器，內(nèi)置28V開關(guān) |
| 文件頁數(shù)： | 8/17頁 |
| 文件大?。?/td> | 224K |
| 代理商： | MAX1758 |
M
Stand-Alone, Switch-Mode
Li+ Battery Charger with Internal 28V Switch
8
_______________________________________________________________________________________
NAME
FUNCTION
1
VL
Chip Power Supply. Output of the 5.4V linear regulator from DCIN. Bypass VL to GND with 2.2μF or larger
ceramic capacitor.
2
ISETIN
Input Current Limit Adjust. Use a voltage-divider to set the voltage between 0 and V
REF
. See
Input Current
Regulator
section.
PIN
3
ISETOUT
Battery Charging Current Adjust. Use a voltage-divider to set the voltage between 0 and V
REF
. See
Charging Current Regulator
section.
4
THM
Thermistor Input. Connect a thermistor from THM to GND to set qualification temperature range. If unused,
connect a 10k
resistor from THM to GND. See
Thermistor
section.
8
BATT
Battery Voltage-Sense Input and Current-Sense Negative Input
7
VADJ
Voltage Adjustment. Use a voltage-divider to set the voltage between 0 and V
REF
to adjust the battery reg-
ulation voltage by ±5%. See
Battery Regulation Voltage
section.
6
GND
Analog Ground
5
REF
4.2V Reference Voltage Output. Bypass REF to GND with 1μF or larger ceramic capacitor.
13
TIMER2
Timer2 Adjustment. Connect a capacitor from TIMER2 to GND to set the fast-charge time. See
Timers
section.
12
TIMER1
Timer1 Adjustment. Connect a capacitor from TIMER1 to GND to set the prequalification, full-charge, and
top-off times. See
Timers
section.
11
CELL
Cell-Count Programming Input. Connect CELL to GND, REF, or VL to set 1, 3, or 4 cells, or leave uncon-
nected to set 2 cells.
9, 10
HSD
High-Side Drain. This is the drain of the internal high-side FET. See Figure 3.
Pin Description
14
FAULT
Charge Fault Indicator. Open-drain output pulls low when charging terminates abnormally. See Table 1.
15
FASTCHG
Fast-Charge Indicator. Open-drain output pulls low when charging with constant current.
16
FULLCHG
Full-Charge Indicator. Open-drain output pulls low when charging with constant voltage in full-charge
state.
17
SHDN
Shutdown Input. Drive
SHDN
low to disable charging. Connect
SHDN
to VL for normal operation.
18
PGND
Power Ground. Current from the low-side power MOSFET switch source flows through PGND.
19, 20
LX
Power Inductor Switching Node and High-Side Power MOSFET Source
21
CS
Battery Current-Sense Positive Input. Connects to internal 0.1
resistor between BATT and CS.
22
BST
High-Side MOSFET Gate Drive Bias. Connect a 0.1μF capacitor from BST to LX.
23
CCS
Charger Source Current Regulation Loop Compensation Point. See
Compensation
section.
24
CCI
Battery Charge Current Regulation Loop Compensation Point. See
Compensation
section.
25
CCV
Voltage Regulation Loop Compensation Point. See
Compensation
section.
26
CSSN
Source Current-Sense Negative Input. See
Input Current Regulator
section.
27
CSSP
Source Current-Sense Positive Input. See
Input Current Regulator
section.
28
DCIN
Power-Supply Input. DCIN is the input supply for the VL regulator. Bypass DCIN to GND with a 0.1μF or
greater capacitor. See
Detailed Description
.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX17582GTL+ | 制造商:Maxim Integrated Products 功能描述:1.2MHZ LOW-COST HIGH-PERFORMANCE - Rail/Tube |
| MAX17582GTM+ | 功能描述:電流型 PWM 控制器 Dual-Phase Quick-PWM Controller RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| MAX17582GTM+T | 功能描述:電流型 PWM 控制器 Dual-Phase Quick-PWM Controller RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| MAX1758EAI | 功能描述:電池管理 Li+ Battery Charger w/28V Switch 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 |
| MAX1758EAI+ | 功能描述:電池管理 Li+ Battery Charger w/28V Switch 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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