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参数资料
型号： MAX1758EAI+
厂商： MAXIM INTEGRATED PRODUCTS INC
元件分类： 电源管理
英文描述： Stand-Alone, Switch-Mode Li+ Battery Charger with Internal 28V Switch
中文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO28
封装： 5.30 MM, 0.65 MM PITCH, SSOP-28
文件页数： 2/17页
文件大小： 224K
代理商： MAX1758EAI+
MAX1758
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 VDCIN - VBATT < dropout threshold
or VBATT > 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 (CTIMER1 = 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 (CTIMER2 = 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 (CTIMER1 = 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
(CTIMER1 = 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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相关代理商/技术参数
参数描述
MAX1758EAI+ 功能描述:电池管理 Li+ Battery Charger w/28V Switch 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
MAX1758EAI+T 功能描述:电池管理 Li+ Battery Charger w/28V Switch 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
MAX1758EAI-T 功能描述:电池管理 Li+ Battery Charger w/28V Switch 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
MAX1758EVKIT 功能描述:电池管理 Evaluation Kit for the MAX1757 MAX1758 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
MAX17595ATE+ 功能描述:电流型 PWM 控制器 AC/DC-DC/DC Peak Current-Mode Cnvrtr RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14
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