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參數(shù)資料
| 型號(hào)： | MAX6602UE9A+T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | Five-Channel Precision Temperature Monitor |
| 中文描述： | 5-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 |
| 封裝： | 4.40 MM, ROHS COMPLIANT, MO-153AB, TSSOP-16 |
| 文件頁(yè)數(shù)： | 16/19頁(yè) |
| 文件大?。?/td> | 243K |
| 代理商： | MAX6602UE9A+T |
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MAX6602
Detailed Description
The MAX6602 is a precision multichannel temperature
monitor that features one local and four remote temper-
ature-sensing channels with a programmable alert
threshold for each temperature channel and a program-
mable overtemperature threshold for channels 1 and 4
(see Figure 1). Communication with the MAX6602 is
achieved through the SMBus serial interface and a
dedicated alert output. The alarm outputs, OVERT and
ALERT, assert if the software-programmed temperature
thresholds are exceeded. ALERT typically serves as an
interrupt, while OVERT can be connected to a fan, sys-
tem shutdown, or other thermal-management circuitry.
ADC Conversion Sequence
In the default conversion mode, the MAX6602 starts the
conversion sequence by measuring the temperature on
channel 1, followed by 2, 3, local channel, and 4. The
conversion result for each active channel is stored in
the corresponding temperature data register.
In some systems, one of the remote thermal diodes may
be monitoring a location that experiences temperature
changes that occur much more rapidly than in the other
channels. If faster temperature changes must be moni-
tored in one of the temperature channels, the MAX6602
allows channel 1 to be monitored at a faster rate than
the other channels. In this mode (set by writing a 1 to bit
4 of the configuration 1 register), measurements of
channel 1 alternate with measurements of the other
channels. The sequence becomes channel 1, channel
2, channel 1, channel 3, channel 1, etc. Note that the
time required to measure all five channels is consider-
ably greater in this mode than in the default mode.
Low-Power Standby Mode
Enter software standby mode by setting the STOP bit to
1 in the configuration 1 register. Enter hardware standby
by pulling STBY low. Software standby mode disables
the ADC and reduces the supply current to approxi-
mately 30A. Hardware standby mode halts the ADC
clock, but the supply current is approximately 350A.
During either software or hardware standby, data is
retained in memory, and the SMBus interface is active
and listening for SMBus commands. The timeout is
enabled if a start condition is recognized on SMBus.
Activity on the SMBus causes the supply current to
increase. If a standby command is received while a con-
version is in progress, the conversion cycle is interrupt-
ed, and the temperature registers are not updated. The
previous data is not changed and remains available.
Five-Channel Precision Temperature Monitor
6
_______________________________________________________________________________________
PIN
NAME
FUNCTION
7
DXP4
Combined Current Source and A/D Positive Input for Channel 4 Remote Diode. Connect to the anode
of a remote-diode-connected temperature-sensing transistor. Leave floating or connect to DXN4 if no
remote diode is used. Place a 2200pF capacitor between DXP4 and DXN4 for noise filtering.
8
DXN4
Cathode Input for Channel 4 Remote Diode. Connect the cathode of the channel 4 remote-diode-
connected transistor to DXN4.
9
STBY
Standby Input. Drive STBY logic-low to place the MAX6602 in hardware standby mode, or logic-high
for normal operation. Temperature and threshold data are retained in standby mode.
10
N.C.
No Connection. Must be connected to ground.
11
OVERT
Overtemperature Active-Low, Open-Drain Output. OVERT asserts low when the temperature of
channels 1 and 4 exceed the programmed threshold limit.
12
VCC
Supply Voltage Input. Bypass to GND with a 0.1F capacitor.
13
ALERT
SMBus Alert (Interrupt), Active-Low, Open-Drain Output. ALERT asserts low when the temperature of
any channel exceeds the programmed ALERT threshold.
14
SMBDATA
SMBus Serial-Data Input/Output. Connect to a pullup resistor.
15
SMBCLK
SMBus Serial-Clock Input. Connect to a pullup resistor.
16
GND
Ground
Pin Description (continued)
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| MAX6603ATB-T | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| MAX6603EVKIT | 功能描述:板上安裝溫度傳感器 Evalution Kit for MAX6603 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
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