參數(shù)資料
型號(hào)： TPS650531IRGERQ1
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： POWER SUPPLY SUPPORT CKT, PQCC24
封裝： 4 X 4 MM, GREEN, PLASTIC, VQFN-24
文件頁(yè)數(shù)： 7/26頁(yè)
文件大?。?/td> 686K
代理商： TPS650531IRGERQ1
Reset
threshold
Vbat
100ms
delay
V
=1V
ref
+
-
Reset
Vbat
Threshold
Comparator
Output(Internal)
TNRESPWRON
SLVSAW1
– JUNE 2011
Figure 21. RESET Pulse Circuit
SHORT-CIRCUIT PROTECTION
All outputs are short circuit protected with a maximum output current as defined in the Electrical Characteristics.
THERMAL SHUTDOWN
As soon as the junction temperature, TJ, exceeds typically 150°C for the DCDC converters, the device goes into
thermal shutdown. In this mode, the P and N-Channel MOSFETs are turned-off. The device continues its
operation when the junction temperature falls below the thermal shutdown hysteresis again. A thermal shutdown
for one of the DCDC converters will disable both converters simultaneously.
The thermal shutdown temperature for the LDOs are set to typically 140
°C. Therefore a LDO which may be used
to power an external voltage will never heat up the chip high enough to turn off the DCDC converters. If one LDO
exceeds the thermal shutdown temperature, all LDOs will turn off simultaneously.
Low Dropout Voltage Regulators
The low dropout voltage regulators are designed to be stable with low value ceramic input and output capacitors.
They operate with input voltages down to 1.5V. The LDOs offer a maximum dropout voltage of 280mV at rated
output current. Each LDO supports a current limit feature. The LDOs are enabled by the EN_LDO1, EN_LDO2,
and EN_LDO3 pin. The output voltage of LDO1 and LDO2 is set using an external resistor divider whereas
LDO3 has a fixed output voltage of 1.30 V for TPS65053-Q1
, 1.20V for TPS650531-Q1 and 1.50V for
TPS650532-Q1.
Copyright
2011, Texas Instruments Incorporated
15
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TPS650531RGER 功能描述:PMIC 解決方案 5Ch Pwr Mgmt IC w/2 Step-Down Converters RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
TPS650531RGET 功能描述:PMIC 解決方案 5Ch Pwr Mgmt IC w/2 Step-Down Converters RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
TPS650532RGER 功能描述:PMIC 解決方案 5Ch Power Mgmt IC RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
TPS650532RGET 功能描述:PMIC 解決方案 5Ch Power Mgmt IC RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
TPS65053EVM-217 功能描述:電源管理IC開發(fā)工具 TPS65053 Eval Mod RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
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