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)： 10/17頁
文件大?。?/td> 224K
代理商： MAX1758
M
Stand-Alone, Switch-Mode
Li+ Battery Charger with Internal 28V Switch
10
______________________________________________________________________________________
STATE
ENTRY CONDITIONS
STATE CONDITIONS
Reset
From initial power-on
or
from done state if battery voltage < recharge volt-
age threshold
or
V
DCIN
- V
BATT
< dropout threshold
or
V
BATT
> battery overvoltage threshold
Timers reset, charging current = 0,
FASTCHG
= high,
FULLCHG
= high,
FAULT
= high
Prequalification
From reset state if input power, reference, and inter-
nal bias are within limits
Battery voltage
≤
undervoltage threshold,
charging current = (fast-charge current / 10),
timeout = 7.5min typ (C
TIMER1
= 1nF),
FASTCHG
= low,
FULLCHG
= high,
FAULT
= high
Fast Charge
(Constant Current)
From prequalification state if battery voltage >
undervoltage threshold
Undervoltage threshold
≤
battery voltage
≤
battery regulation voltage,
charging current = charge current limit,
timeout = 90min typ (C
TIMER2
= 1nF),
FASTCHG
= low,
FULLCHG
= high,
FAULT
= high
Full Charge
(Constant Voltage)
From fast-charge state if battery voltage = battery
regulation voltage
Battery voltage = battery regulation voltage,
charging current
≤
current limit,
timeout = 90min typ (C
TIMER1
= 1nF),
FASTCHG
= high,
FULLCHG
= low,
FAULT
= high
Top-Off
(Constant Voltage)
From full-charge state if full-charge timer expires
or
if charging current
≤
330mA
Battery voltage = battery regulation voltage,
charging current
≤
330mA,
timeout = 45min typ
(C
TIMER1
= 1nF),
FASTCHG
= high,
FULLCHG
= high,
FAULT
= high
Done
From top-off state if top-off timer expires
Recharge voltage threshold
≤
battery,
voltage
≤
voltage limit, charging current = 0,
FASTCHG
= high,
FULLCHG
= high,
FAULT
= high
Over/Undertemperature
From fast-charge state or full-charge state if battery
temperature is outside limits
Charge current = 0, timers suspended,
FASTCHG
= no change,
FULLCHG
= no change,
FAULT
= no change
Fault
From reset state if battery temperature
≥
maximum
battery temperature
or
from prequalification state if prequalification timer
expires
or
from fast-charge state if fast-charge timer expires
Charging current = 0,
FASTCHG
= high,
FULLCHG
= high,
FAULT
= low
Table 1. Charging State Table
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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(fēng)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(fēng)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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