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參數(shù)資料
| 型號： | MAX5961ETM+ |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 0 to 16V, Quad, Hot-Swap Controller with 10-Bit Current and Voltage Monitor; Package: THIN QFN, 48 pin ; Temperature Range: -40°C to +85°C |
| 中文描述： | 4-CHANNEL POWER SUPPLY SUPPORT CKT, QCC48 |
| 封裝： | 7 X 7 MM, ROHS COMPLIANT, MO-220, TQFN-48 |
| 文件頁數(shù)： | 1/42頁 |
| 文件大小： | 335K |
| 代理商： | MAX5961ETM+ |
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General Description
The MAX5961 0 to 16V, quad, hot-swap controller pro-
vides complete protection for systems with up to four
distinct supply voltages. The device allows the safe
insertion and removal of circuit cards into live back-
planes. The MAX5961 is an advanced hot-swap con-
troller that monitors voltage and current with an internal
10-bit ADC. The device provides two levels of overcur-
rent circuit-breaker protection; a fast-trip threshold for a
fast turn-off, and a lower slow-trip threshold for a
delayed turn-off. The maximum overcurrent circuit-
breaker threshold range is set independently for each
channel with a trilevel input (ILIM_) or by programming
though an I2C interface.
The internal 10-bit ADC is multiplexed to monitor the
output voltage and current of each hot-swap channel.
The total time to cycle through all the eight measure-
ments is 100s (typ). Each 10-bit value is stored in an
internal circular buffer so that 50 past samples of each
signal can be read back through the I2C interface at
any time or after a fault condition.
The MAX5961 can be configured as four independent
hot-swap controllers, hot-swap controllers operating in
pairs, or as a group of four hot-swap controllers.
The device also includes five digital comparators per
hot-swap channel to implement overcurrent warning,
two levels of overvoltage detection, and two levels of
undervoltage detection. The limits for overcurrent, over-
voltage, and undervoltage are user-programmable.
When any of the measured values violates the program-
mable limits, an external ALERT signal is asserted. In
addition to the ALERT signal, depending on the select-
ed operating mode, the MAX5961 can deassert a
power-good signal and/or turn-off the external MOSFET.
The MAX5961 is available in a 48-pin thin QFN pack-
age and operates over the -40°C to +85°C extended
temperature range.
Applications
PCI Express Hot Plug
Servers
Disk Drives
Storage Systems
ASICs
Features
o Four Independent Hot-Swap Controllers Protect
from 0 to 16V (Provided IN ≥ 2.7V)
o 10-Bit ADC Monitors Voltage and Current of Each
Channel
o Circular Buffer Stores 5ms of Current and Voltage
Measurements
o Four Independent Internal Charge Pumps
Generate n-Channel MOSFET Gate Drives
o Internal 500mA Gate Pulldown Current for Fast
Shutdown
o VariableSpeed/BiLevel Circuit-Breaker Protection
o Alert Output Indicates Undervoltage Warning,
Undervoltage Critical, Overvoltage Warning,
Overvoltage Critical, and Overcurrent Warning for
Each Channel
o Independent Power-Good Outputs
o Autoretry or Latched Fault Management
o 400kHz I2C Interface
o 7mm x 7mm 48-Pin TQFN Package
MAX5961
0 to 16V, Quad, Hot-Swap Controller
with 10-Bit Current and Voltage Monitor
________________________________________________________________
Maxim Integrated Products
1
TOP VIEW
MAX5961
THIN QFN
7mm x 7mm
13
14
15
16
17
18
19
20
21
22
23
24
FAULT1
FAULT2
FAULT3
FAULT4
SDA
SCL
ALERT
PG1
PG2
PG3
PG4
DGND
48
47
46
45
44
43
42
41
40
39
38
37
1
2
3
4567
89
10
11
12
HWEN
MODE
PROT
A0
A1
REG
AGND
IN
ILIM1
ILIM2
ILIM3
ILIM4
ON3
ON1
DREG
POL
SENSE3
MON3
GATE3
GND3
GND1
GATE1
MON1
SENSE1
36
+
35
34
33
32
31
30
29
28
27
26
25
ON4
ON2
RETRY
I.C.
SENSE4
MON4
GATE4
GND4
GND2
GATE2
MON2
SENSE2
Pin Configuration
Ordering Information
19-4167; Rev 0; 6/08
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
EVALUATION
KIT
AVAILABLE
PART
TEMP RANGE
PIN-PACKAGE
MAX5961ETM+
-40°C to +85°C
48 Thin QFN–EP*
PCI Express is a registered trademark of PCI-SIG Corp.
VariableSpeed/BiLevel is a trademark of Maxim Integrated
Products, Inc.
+Denotes a lead-free/RoHS-compliant package.
*EP = Exposed pad.
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| MAX5961ETM+ | 功能描述:熱插拔功率分布 Quad Hot-Swap Controller RoHS:否 制造商:Texas Instruments 產品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| MAX5961ETM+T | 功能描述:熱插拔功率分布 Quad Hot-Swap Controller RoHS:否 制造商:Texas Instruments 產品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| MAX5961EVKIT+ | 功能描述:電源管理IC開發(fā)工具 MAX5961 Eval Kit RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| MAX5963UTL+ | 功能描述:熱插拔功率分布 Dl 7.5-76V Hot-Swap & Diode ORing Ctlr RoHS:否 制造商:Texas Instruments 產品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| MAX5963UTL+T | 功能描述:熱插拔功率分布 Dl 7.5-76V Hot-Swap & Diode ORing Ctlr RoHS:否 制造商:Texas Instruments 產品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
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