參數(shù)資料
型號(hào)： MAX1757EAI
廠(chǎng)商： MAXIM INTEGRATED PRODUCTS INC
元件分類(lèi)： 穩(wěn)壓器
英文描述： Stand-Alone, Switch-Mode Li Battery Charger with Internal 14V Switch
中文描述： BATTERY CHARGE CONTROLLER, 330 kHz SWITCHING FREQ-MAX, PDSO28
封裝： 5.30 MM, 0.65 MM PITCH, SSOP-28
文件頁(yè)數(shù)： 10/17頁(yè)
文件大?。?/td> 218K
代理商： MAX1757EAI
M
Stand-Alone, Switch-Mode
Li+ Battery Charger with Internal 14V Switch
10
______________________________________________________________________________________
STATE
ENTRY CONDITIONS
STATE CONDITIONS
Reset
From initial power on
or
From done state if battery voltage < recharge voltage
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 internal
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
≤
330mA,
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
Charge current = 0, timers suspended,
FASTCHG
= no change,
FULLCHG
= no change,
FAULT
= no change
Over/Undertemperature
From fast-charge state or full-charge state if battery
temperature is outside limits
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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1757EAI+ 功能描述:電池管理 Li+ Battery Charger w/Int 14V Switch RoHS:否 制造商:Texas Instruments 電池類(lèi)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
MAX1757EAI+T 功能描述:電池管理 Li+ Battery Charger w/Int 14V Switch RoHS:否 制造商:Texas Instruments 電池類(lèi)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
MAX1757EAI-T 功能描述:電池管理 RoHS:否 制造商:Texas Instruments 電池類(lèi)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
MAX1757EVKIT 功能描述:電池管理 Evaluation Kit for the MAX1757 MAX1758 RoHS:否 制造商:Texas Instruments 電池類(lèi)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
MAX17582GTL+ 制造商:Maxim Integrated Products 功能描述:1.2MHZ LOW-COST HIGH-PERFORMANCE - Rail/Tube
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