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| 型號： | ADM1041A |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Secondary-Side Controller with Current Share and Housekeeping |
| 中文描述： | 二次側電流控制器共享和管家 |
| 文件頁數： | 2/56頁 |
| 文件大小： | 991K |
| 代理商： | ADM1041A |
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ADM1041A
TABLE OF CONTENTS
General Description.........................................................................3
Rev. 0 | Page 2 of 56
Sample Application Circuit Description...................................3
Specifications.....................................................................................6
Absolute Maximum Ratings..........................................................13
Thermal Characteristics............................................................13
ESD Caution................................................................................13
Pin Configuration and Function Descriptions...........................14
Terminology................................................................................16
Theory of Operation......................................................................18
Power Management....................................................................18
Gain Trimming and Configuration.........................................18
Differential Remote Sense Amplifier.......................................19
Set Load Voltage.........................................................................19
Load Overvoltage (OV).............................................................19
Local Voltage Sense....................................................................19
Local Overvoltage Protection (OVP) ......................................19
Local Undervoltage Protection (UVP)....................................19
False UV Clamp..........................................................................19
Voltage Error Amplifier.............................................................20
Main Voltage Reference.............................................................20
Current-Sense Amplifier...........................................................20
Current Sensing..........................................................................21
Current-Transformer Input ......................................................21
Current-Sense Calibration........................................................21
Current-Limit Error Amplifier.................................................21
Overcurrent Protection .............................................................22
Current Share..............................................................................22
Current-Share Offset..................................................................22
I
SHARE
Drive Amplifier................................................................22
Differential Sense Amplifier .....................................................22
REVISION HISTORY
I
SHARE
Error Amplifier................................................................. 22
I
SHARE
Clamp ................................................................................ 22
SHARE_OK Detector................................................................ 23
Pulse/AC
SENSE
2............................................................................. 24
Pulse............................................................................................. 24
AC
SENSE
.......................................................................................... 24
OrFET Gate Drive...................................................................... 25
Oscillator and Timing Generators............................................... 27
Logic I/O and Monitor Pins...................................................... 27
SMBus Serial Port....................................................................... 30
Microprocessor Support............................................................30
Broadcasting................................................................................ 30
SMBus Serial Interface............................................................... 30
General SMBus Timing............................................................. 31
SMBus Protocols for RAM and EEPROM.............................. 33
SMBus Read Operations ........................................................... 35
SMBus Alert Response Address (ARA).................................. 36
Support for SMBus 1.1............................................................... 36
Layout Considerations............................................................... 36
Power-Up Auto-Configuration................................................ 36
Extended SMBus Addressing.................................................... 37
Backdoor Access......................................................................... 37
Register Listing............................................................................... 38
Detailed Register Descriptions..................................................... 39
Manufacturing Data...................................................................48
Microprocessor Support................................................................ 49
Test Name Table.............................................................................. 51
Outline Dimensions....................................................................... 53
Ordering Guide .......................................................................... 53
7/05—Revision 0: Initial Version
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相關代理商/技術參數 |
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| ADM1041AARQZ | 功能描述:IC SECONDARY SIDE CTRLR 24QSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 電源控制器，監視器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 應用:多相控制器 輸入電壓:- 電源電壓:9 V ~ 14 V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應商設備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR) |
| ADM1041AARQZ-REEL | 功能描述:IC SECONDARY SIDE CTRLR 24QSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 電源控制器，監視器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 應用:多相控制器 輸入電壓:- 電源電壓:9 V ~ 14 V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應商設備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR) |
| ADM1041AARQZ-REEL7 | 功能描述:IC SECONDARY SIDE CTRLR 24QSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 電源控制器，監視器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 應用:多相控制器 輸入電壓:- 電源電壓:9 V ~ 14 V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應商設備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR) |
| ADM1041A-EVALZ | 功能描述:BOARD EVAL FOR ADM1041A RoHS:是 類別:編程器，開發系統 >> 評估板 - DC/DC 與 AC/DC（離線）SMPS 系列:- 標準包裝:1 系列:- 主要目的:DC/DC，步降 輸出及類型:1，非隔離 功率 - 輸出:- 輸出電壓:3.3V 電流 - 輸出:3A 輸入電壓:4.5 V ~ 28 V 穩壓器拓撲結構:降壓 頻率 - 開關:250kHz 板類型:完全填充 已供物品:板 已用 IC / 零件:L7981 其它名稱:497-12113STEVAL-ISA094V1-ND |
| ADM1041ARQ | 功能描述:IC PWR SUPP MON/LOAD SHAR 24QSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 電源控制器，監視器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 應用:多相控制器 輸入電壓:- 電源電壓:9 V ~ 14 V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應商設備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR) |
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