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| 型号： | TLE6210G |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO20 |
| 封装： | PLASTIC, SO-20 |
| 文件页数： | 10/35页 |
| 文件大小： | 686K |
| 代理商： | TLE6210G |
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TLE 6210
TLE 6211
Block Description and Electrical Characteristics
V1.2 Data Sheet
18
2002-08
Supervision
The TLE 6210 and TLE 6211 are equipped with a complex supervision logic. The input
voltage and the regulator output voltage is supervised. In addition two
m-controller are
supervised by independent watchdog circuits.
4.9
Overvoltage and Undervoltage
Both the supply voltage
UZP and the output voltage UST are supervised for over- and
undervoltage.
In case any undervoltage or overvoltage condition at
UST or UZP is detected, the reset
outputs RES1 and RES2 are switched to low state. RES1 and RES2 are not controlled
by the watchdog logic.
To supervise the output voltage
UST an independent bandgap from the reference
bandgap is used.
The reset outputs RES1 and RES2 are together controlled by the
UST reset logic and
the supply undervoltage lockout (UVLO) and overvoltage lockout (OVLO).
A logic High at the RES1 and RES2 indicates normal operation. The outputs are open
collector type outputs with integrated pull-up resistors to
UST. Even when the UST
voltage drops, the reset outputs RES1 and RES2 remain low (< 0.4 V).
Both undervoltage and overvoltage detection of
UST and UZP use a voltage hysteresis
to avoid any reset toggling.
Undervoltage and Overvoltage Detection
UST
The
UST output voltage has to be externally connected to the USTS sense input.
To be able to detect also wrong output voltages causes by a malfunction of the related
bandgap reference for supervision an independent bandgap is used.
As soon as any reset condition is detected the RES1 and RES2 go low.
4.9.1
Undervoltage Lockout (UVLO) and Overvoltage Lockout (OVLO)
The supply voltage
UZP is supervised as well. If the voltage rises above the upper
threshold value of 19.5 V reset is asserted. When an undervoltage occurs, after some
time the output voltage will drop below the reset threshold and a reset is asserted. The
undervoltage lockout is only valid during power up.
Both the OVLO and the UVLO threshold use a hysteresis to avoid reset glitches. In
addition the OVLO is digitally filtered. Overvoltage below 2 to 3 clock cycles (equals
typical 2 s or 3 s) are neglected to avoid resetting the system when any inductive load
is switched off.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TLE6211 | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:ABS System IC |
| TLE6211G | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:ABS System IC |
| TLE6211G-C1 | 制造商:Infineon Technologies AG 功能描述:SP000013647_SYSTEM IC |
| TLE6212 | 功能描述:电源开关 IC - POE / LAN Sys-IC ABS/TC/ESC RoHS:否 制造商:Fairchild Semiconductor 开关数量:Single 开关配置:SPST 开启电阻（最大值）:7.3 Ohms 串话: 带宽: 开启时间（最大值）:13 ns 关闭时间（最大值）:20 ns 切换电压（最大）: 工作电源电压:8 V to 26 V 最大工作温度:+ 125 C 安装风格:Through Hole 封装 / 箱体:TO-220F-6 |
| TLE6212XUMA1 | 制造商:Infineon Technologies AG 功能描述:SYSTEM-IC FOR ABS/TC/ESC 制造商:Infineon Technologies AG 功能描述:System IC for ABS/TC/ESC T/R 制造商:Infineon Technologies AG 功能描述:BRAKING_IC - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC SENSOR FOR ABS/TC/ESC 64LQFP |
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