TC650AEVUA Microchip Technology, TC650AEVUA Datasheet - Page 6

• Manufacturer Part Number: TC650AEVUA
• Description: IC TEMP SNSR/DC FAN CTRLR 8-MSOP
• Manufacturer: Microchip Technology

Specifications of TC650AEVUA

• Function: Fan Control, Temp Monitor
• Topology: ADC
• Sensor Type: Internal
• Sensing Temperature: 25°C, 45°C Trip Points
• Output Type: Active Low
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 2.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Motor Type: DC Brushless
• No. Of Outputs: 1
• Output Current: 5mA
• Output Voltage: 2.3V
• Supply Voltage Range: 2.8V To 5.5V
• Driver Case Style: MSOP
• No. Of Pins: 8
• Temperature Threshold: + 45 C
• Full Temp Accuracy: +/- 2.5 C
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: - 25 C
• Supply Current: 90 uA
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

TC650/TC651
3.0
The descriptions of the pins are listed in Table 3-1.
TABLE 3-1:
3.1
May be independent of fan power supply.
3.2
During Shutdown mode, the chip still monitors
temperature. T
factory set point.
3.3
Ground return for all TC650/TC651 functions.
DS21450C-page 6
Pin No.
1
2
3
4
5
6
7
8
PIN DESCRIPTION
Fan Shutdown, Active-low Input
Ground
Power Supply Input
OVER
PIN FUNCTION TABLE
Symbol
SHDN
T
PWM
GND
GND
V
OVER
is low if temperature rises above
NC
NC
DD
Power Supply Input
No Internal Connect
Fan Shutdown, Active-low Input
1 = Fan in normal operation
0 = Fan in shutdown
Ground
No Connect
Overtemperature Alert, Active-low Output
1 = Overtemperature condition does not exist
0 = The device is in the overtemperature condition. The fan is driven at 100%.
Ground
PWM Fan Drive Output
Potential exists for system over-heating
3.4
Active-low output.
3.5
Pulse width modulated rail-to-rail logic output. Nominal
frequency is 15 Hz.
Description
Overtemperature Alert
PWM Fan Drive Output
 2004 Microchip Technology Inc.