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參數(shù)資料
| 型號： | TPS65013RGZ |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | POWER AND BATTERY MANAGEMENT IC FOR Li-ION POWERED SYSTEMS |
| 中文描述： | 電源和電池管理集成電路鋰離子供電系統(tǒng) |
| 文件頁數(shù)： | 25/52頁 |
| 文件大?。?/td> | 844K |
| 代理商： | TPS65013RGZ |
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www.ti.com
UNDERVOLTAGE LOCKOUT
The undervoltage lockout circuit for the four regulators on TPS65013 prevents the device from malfunctioning at
low input voltages and from excessive discharge of the battery. Basically, it prevents the converter from turning
on the power switch or rectifier FET under undefined conditions. The undervoltage threshold voltage is set by
default to 2.75 V. After power up, the threshold voltage can be reprogrammed through the serial interface. The
undervoltage lockout comparator compares the voltage on the VCC pin with the UVLO threshold. When the VCC
voltage drops below this threshold, the TPS65013 sets the PWRFAIL pin low and after a time t
(UVLO)
disables the
voltage regulators in the sequence defined by PS_SEQ. The same procedure is followed when the TPS65013
detects that its junction temperature has exceeded the overtemperature threshold, typically 160
°
C, with a delay
t
(overtemp)
. The TPS65013 automatically restarts when the UVLO (or overtemperature) condition is no longer
present.
TPS65013
SLVS517–AUGUST 2004
The battery charger circuit has a separate UVLO circuit with a threshold of typically 2.5 V, which is compared
with the voltage on AC and USB supply pins.
25
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS65013RGZR | 功能描述:電池管理 Multi-Channel 1-cell Li-Ion RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| TPS65013RGZRG4 | 功能描述:電池管理 Multi-Channel 1-cell Li-Ion RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| TPS65013RGZT | 功能描述:電池管理 Multi-Channel 1-cell Li-Ion RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| TPS65013RGZT | 制造商:Texas Instruments 功能描述:IC POWER/BATTERY MGMT 48-QFN 制造商:Texas Instruments 功能描述:IC, POWER/BATTERY MGMT 48-QFN 制造商:Texas Instruments 功能描述:IC, POWER/BATTERY MGMT 48-QFN; Battery Type:Li-Ion, Li-Polymer; No. of Pins:48; No. of Series Cells:1; Operating Temperature Min:-40C; Operating Temperature Max:85C; MSL:MSL 2 - 1 year; SVHC:No SVHC (19-Dec-2012); Base ;RoHS Compliant: Yes |
| TPS65013RGZTG4 | 功能描述:電池管理 Multi-Channel 1-cell Li-Ion RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
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