TC642BEUA Microchip Technology, TC642BEUA Datasheet - Page 9

• Manufacturer Part Number: TC642BEUA
• Description: IC PWM FAN SPEED CTRLR 8-MSOP
• Manufacturer: Microchip Technology
• Type: Controller - PWM Fanr

Specifications of TC642BEUA

• Applications: Fan Controller, Brushless (BLDC)
• Number Of Outputs: 1
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Motor Type: PWM
• No. Of Outputs: 1
• Output Current: 5mA
• Output Voltage: 4.4V
• Supply Voltage Range: 3V To 5.5V
• Driver Case Style: MSOP
• No. Of Pins: 8
• Operating Temperature Range: -40°C To +85°C
• Product: Fan / Motor Controllers / Drivers
• Operating Supply Voltage: 6 V
• Supply Current: 400 uA
• Mounting Style: SMD/SMT
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Voltage - Load: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Note: Unless otherwise indicated, V
FIGURE 2-13:
Temperature.
FIGURE 2-14:
Temperature.
FIGURE 2-15:
Temperature.
2003 Microchip Technology Inc.
30
25
20
15
10
0.80
0.75
0.70
0.65
0.60
0.55
0.50
0.45
0.40
0.35
0.30
1.00
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0.60
0.55
0.50
0.45
0.40
5
0
-40
-40 -25 -10
-40 -25 -10
-25
V
V
DD
-10
DD
V
V
V
= 3.0V
DD
DD
= 5.0V
DD
V
V
DD
V
V
= 4.0V
= 3.0V
DD
= 4.0V
5
DD
DD
5
5
= 3.0V
= 4.0V
= 5.0V
= 5.5V
Temperature (ºC)
PWM Sink Current (I
V
V
Temperature (ºC)
Temperature (ºC)
V
20
V
20
20
DD
SHDN
REL
DD
= 5.5V
= 5.5V
35
35
35
Threshold vs.
50
Threshold vs.
50
50
65
65
65
DD
80
80
80
= 5V, T
V
V
OL
DD
95
95
95
= 0.1V
= 5.0V
110 125
110 125
110 125
OL
A
DD
= +25°C.
) vs.
FIGURE 2-16:
Temperature.
FIGURE 2-17:
Hysteresis (V
100
2.630
2.625
2.620
2.615
2.610
2.605
2.600
2.595
95
90
85
80
75
70
-40 -25 -10
-40 -25 -10
TC642B/TC647B
OTF-HYS
V
DD
5
V
5
DD
= 5.5V
V
Over-Temperature
Temperature (ºC)
Temperature (ºC)
= 3.0V
20
OTF
) vs. Temperature.
20
35
35
V
V
Threshold vs.
DD
DD
= 3.0V
50
50
= 5.5V
65
65
DS21756B-page 9
80
80
V
DD
95
95
= 5.0V
110 125
110 125