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參數資料
| 型號： | MAX6616AEG+T |
| 廠商： | Maxim Integrated |
| 文件頁數： | 5/20頁 |
| 文件大小： | 194K |
| 描述： | IC TEMP MON FAN CNTRL 24QSOP |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 功能： | 風扇控制，溫度監控器 |
| 傳感器類型： | 內部和外部 |
| 感應溫度： | 0°C ~ 140°C |
| 精確度： | ±1°C 本地（最大），±4°C 遠程（最大） |
| 拓撲： | ADC |
| 輸出類型： | I²C?/SMBus? |
| 輸出警報： | 無 |
| 輸出風扇： | 無 |
| 電源電壓： | 3 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-SSOP（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 24-QSOP |
| 包裝： | 帶卷 (TR) |
Dual-Channel Temperature Monitors and
Fan-Speed Controllers with Thermistor Inputs
_______________________________________________________________________________________ 5
PIN
MAX6616
MAX6615
NAME
FUNCTION
1, 2, 5, 20,
23, 24
GPIO0
GPIO5
Active-Low, Open-Drain GPIOs. Can be pulled up to 5.5V regardless of V
CC
.
3
1
PWM1
Fan Driver Output 1. The pullup resistor can be connected to a supply voltage as high as
12V, regardless of the supply voltage. See the PWM Output section for configuration.
4
2
TACH1
Fan Tachometer Input. Accepts logic-level signal from fans tachometer output. Can be
connected to a supply voltage as high as 12V, regardless of the supply voltage.
6
3
ADD0
SMBus Slave Address Selection
7
4
ADD1
SMBus Slave Address Selection
8
5, 10
GND
Ground. Must be connected together for MAX6615.
9
6
TH1
External Thermistor Input 1. Connect a thermistor in series with a fixed resistor between
REF and ground.
10, 15
N.C.
No Connection
11
7
REF
Reference Voltage Output. Provides 1V during measurements. High impedance when not
measuring.
12
8
TH2
External Thermistor Input 2. Connect a thermistor in series with a fixed resistor between
REF and ground.
13
9
FAN_FAIL
Fan-Failure Output. Asserts low when either fan fails. Can be pulled up as high as 5.5V
regardless of V
CC
. High impedance when V
CC
= 0V.
14
PRESET
Connect to GND or V
CC
to set POR state of the GPIO0.
16
11
OT
Overtemperature Output. Active low, open drain. Typically used for system shutdown or
clock throttling. Can be pulled up as high as 5.5V regardless of V
CC
. High impedance
when V
CC
= 0V.
17
12
V
CC
Power Supply. 3.3V nominal. Bypass with a 0.1礔 capacitor to GND.
18
13
SDA
SMBus Serial-Data Input/Output. Pull up with a 10k& resistor. Can be pulled up as high
as 5.5V regardless of V
CC
. High impedance when V
CC
= 0V.
19
14
SCL
SMBus Serial-Clock Input. Pull up with a 10k& resistor. Can be pulled up as high as 5.5V
regardless of V
CC
. High impedance when V
CC
= 0V.
21
15
TACH2
Fan Tachometer Input. Accepts logic-level signal from fans tachometer output. Can be
connected to a supply voltage as high as 12V, regardless of the supply voltage.
22
16
PWM2
Fan Driver Output 2. The pullup resistor can be connected to a supply voltage as high as
12V, regardless of the supply voltage. See the PWM Output section for configuration.
Pin Description
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