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參數(shù)資料
| 型號(hào)： | TPS524 |
| 英文描述： | PHOTOVOLTAIC CELL FOR THERMOPILE DETECTION |
| 中文描述： | 光伏電池的熱電堆檢測(cè) |
| 文件頁(yè)數(shù)： | 6/29頁(yè) |
| 文件大小： | 500K |
| 代理商： | TPS524 |
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TPS5210
PROGRAMMABLE SYNCHRONOUS BUCK REGULATOR CONTROLLER
SLVS171A – SEPTEMBER 1998 – REVISED MAY 1999
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
detailed description (continued)
overcurrent protection
The overcurrent protection (OCP) circuit monitors the current through the high-side FET. The overcurrent
threshold is adjustable with an external resistor divider between IOUT and ANAGND, with the divider voltage
connected to the OCP pin. If the voltage on OCP exceeds 100 mV, then a fault latch is set and the output drivers
are turned off. The latch will remain set until V
CC
goes below the undervoltage lockout value. A 3-
μ
s deglitch
timer is included for noise immunity.
The OCP circuit is also designed to protect the high-side power FET against
a short-to-ground fault on the terminal common to both power FETs.
drive regulator
The drive regulator provides drive voltage to the output drivers. The minimum drive voltage is 7 V. The minimum
short circuit current is 100 mA. Connect a
1-
μ
F ceramic capacitor from DRV to DRVGND.
LODRV
The LODRV circuit is designed to protect the microprocessor against overvoltages that can occur if the high-side
power FETs become shorted. External components to sense an overvoltage condition are required to use this
feature. When an overvoltage fault occurs, the low-side FETs are used as a crowbar. LODRV is pulled low and
the low-side FET will be turned on, overriding all control signals inside the TPS5210 controller. The crowbar
action will short the input supply to ground through the faulted high-side FETs and the low-side FETs. A fuse
in series with V
in
should be added to disconnect the short-circuit.
Table 1. Voltage Identification Codes
VID TERMINALS
(0 = GND, 1 = floating or pull-up to 5 V)
VREF
VID4
VID3
VID2
VID1
VID0
(Vdc)
0
1
1
1
1
1.30
0
1
1
1
0
1.35
0
1
1
0
1
1.40
0
1
1
0
0
1.45
0
1
0
1
1
1.50
0
1
0
1
0
1.55
0
1
0
0
1
1.60
0
1
0
0
0
1.65
0
0
1
1
1
1.70
0
0
1
1
0
1.75
0
0
1
0
1
1.80
0
0
1
0
0
1.85
0
0
0
1
1
1.90
0
0
0
1
0
1.95
0
0
0
0
1
2.00
0
0
0
0
0
2.05
1
1
1
1
1
No CPU
1
1
1
1
0
2.10
1
1
1
0
1
2.20
1
1
1
0
0
2.30
1
1
0
1
1
2.40
1
1
0
1
0
2.50
1
1
0
0
1
2.60
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| TPS5300 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:MOBILE CPU POWER SUPPLY CONTROLLER |
| TPS5300DAP | 功能描述:DC/DC 開(kāi)關(guān)控制器 Mobile CPU DC/DC Cntrlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| TPS5300DAPG4 | 功能描述:DC/DC 開(kāi)關(guān)控制器 Mobile CPU DC/DC Cntrlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| TPS5300DAPR | 功能描述:DC/DC 開(kāi)關(guān)控制器 Mobile CPU DC/DC Cntrlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| TPS5300DAPRG4 | 功能描述:DC/DC 開(kāi)關(guān)控制器 Mobile CPU DC/DC Cntrlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
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