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参数资料
| 型号： | DS2731E+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 10/20页 |
| 文件大小： | 0K |
| 描述： | IC MANAGEMENT BACKUP 28-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 功能： | 备份管理 |
| 电池化学： | 锂离子（Li-Ion） |
| 电源电压： | 10.8 V ~ 13.2 V |
| 工作温度： | -20°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SOIC（0.173"，4.40mm 宽）裸露焊盘 |
| 供应商设备封装： | 28-TSSOP 裸露焊盘 |
| 包装： | 带卷 (TR) |
Cache-Memory Battery-Backup Management IC
ASYNCHRONOUS
FROM ANY STATE
ENC TRUE OR
POWER-ON RESET (POR)
INITIATE*
V BATT > V DIV
DONE LED ACTIVE
TIMERS RESET
V BATT+ < V DIV
NO CURRENT FLOW
DONE
V BATT+ < V MIN
PRECONDITION
V BATT+ ≥ = V MIN
CONSTANT-CURRENT CHARGE
DONE LED ACTIVE
TIMERS RESET
NO CURRENT FLOW
CHARGE LED ACTIVE
PRECONDITION TIMER ACTIVE
V BATT+ ≥ = V MIN
CHARGE LED ACTIVE
SAFETY TIMER ACTIVE
CURRENT REGULATED TO I PRE
ENC TOGGLED FALSE
CURRENT REGULATED BY R SET **
I SNS < I TERMINATE
THEN TRUE OR POR
PRECONDITION
TIMEOUT
SAFETY TIMEOUT
FAULT
FAULT LED ACTIVE, TIMERS INACTIVE,
V BATT+ ≥ = V MARGIN
CONSTANT-VOLTAGE CHARGE
CHARGE LED ACTIVE
SAFETY TIMER ACTIVE
CURRENT REGULATED BY R MARGIN
NO CURRENT FLOW
SAFETY TIMER FAULT CONDITION
TEMPERATURE FAULT CONDITION
SAFETY TIMEOUT
RETURN TO
PREVIOUS STATE
T THERMISTOR = T HYS-HOT AND
T THERMISTOR = T HYS-COLD AND
T DS2731 = T HYS-PROTECT
ASYNCHRONOUS
FROM ANY STATE
T THERMISTOR > T HOT OR
T THERMISTOR < T COLD OR
T DS2731 > T PROTECT
*V IN > V UVLO-CHG , V AUX > 3.08V MUST EXIST BEFORE CHARGER OPERATES.
**IF THE DS2731 DIE TEMPERATURE EXCEEDS T CHOKE , THE DS2731 BEGINS REDUCING CHARGE CURRENT BELOW THE R SET VALUE TO PROTECT THE IC.
Figure 3. Charger State Diagram
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相关代理商/技术参数 |
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|---|---|
| DS2731EVKIT+ | 制造商:Maxim Integrated Products 功能描述:12V A DC/DC CONVERTER - Boxed Product (Development Kits) |
| DS2731K | 功能描述:电源管理IC开发工具 RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| DS2733E+ | 功能描述:电池管理 BBU Power IC 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 |
| DS2733E+T&R | 制造商:Maxim Integrated Products 功能描述:BBU POWER IC 20-TSSOP T&R LF - Tape and Reel |
| DS2733E+T&R | 功能描述:电池管理 BBU Power IC 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 |
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