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参数资料
| 型号： | TPS65562RGTT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 3 A BATTERY CHARGE CONTROLLER, PQCC16 |
| 封装： | GREEN, PLASTIC, QFN-16 |
| 文件页数： | 2/17页 |
| 文件大小： | 632K |
| 代理商： | TPS65562RGTT |
www.ti.com
Protections
MAX ON TIME
MAX OFF TIME
THERMAL DISABLE
OVER CURRENT SHUTDOWN
SLVS775 – JUNE 2007
PRINCIPLES OF OPERATION (continued)
Figure 8. Relationships Between F_ON and CHG
TPS65562 provides four protection mechanisms: max on time, max off time, thermal disable, and over current
shutdown.
To prevent a condition such as pulling current from a poor power source (i.e., an almost empty battery), and
never reaching peak current, the TPS65562 provides a maximum ON time function. If the ON time exceeds tMAX,
the TPS5562 is forced OFF regardless of IPEAK detection.
To prevent a condition such as never increasing the voltage at the SW pin when the internal FET is OFF, the
TPS65562 provides a maximum OFF time function. If the OFF time exceeds tMIN, the TPS65562 is forced ON
regardless of VZERO detection.
Once the die temperature of the TPS65562, reaches 160
°C, all functions stop. Once the die cools below 160°C,
the TPS65562 restarts charging if CHG remains high during the entire over temperature condition.
The TPS65562 provides an over voltage monitor function of the SW pin. The TPS65562 is latched off if the
voltage on the SW pin is above OVDS during the switch ON time (see Figure 4 and its descriptions).
This function protects against short-circuits on the primary side of the transformer. A short-circuit of the primary
side shorts the battery voltage to GND. SW pin can damage the device if not protected.
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相关代理商/技术参数 |
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| TPS65562RGTTG4 | 功能描述:功率驱动器IC Photo flash charger w/ IGBT driver RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| TPS65563ARGTR | 功能描述:功率驱动器IC Integr Photo Flash Charger & IGBT Drvr RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| TPS65563ARGTRG4 | 功能描述:功率驱动器IC Integ Photo Flash Charger & IGBT Drvr RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| TPS65563ARGTT | 功能描述:其他电源管理 Integr Photo Flash Charger & IGBT Drvr RoHS:否 制造商:Texas Instruments 输出电压范围: 输出电流:4 mA 输入电压范围:3 V to 3.6 V 输入电流: 功率耗散: 工作温度范围:- 40 C to + 110 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-48 封装:Reel |
| TPS65563ARGTTG4 | 功能描述:功率驱动器IC Integ Photo Flash Charger & IGBT Drvr RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
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