TC642EUA713 Microchip Technology, TC642EUA713 Datasheet - Page 8
![IC PWM FAN SPEED CONTRLR 8-MSOP](/photos/6/59/65932/mfg_150_c04-111_ms_8-msop_sml.jpg)
TC642EUA713
Manufacturer Part Number
TC642EUA713
Description
IC PWM FAN SPEED CONTRLR 8-MSOP
Manufacturer
Microchip Technology
Type
Controller - PWM Fanr
Datasheet
1.TC642EUA.pdf
(28 pages)
Specifications of TC642EUA713
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,
Product
Fan / Motor Controllers / Drivers
Operating Supply Voltage
6 V
Supply Current
1 mA
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Output
-
Voltage - Load
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TC642EUA713
Manufacturer:
MICROCHIP
Quantity:
12 000
TC642
FIGURE 4-1:
DS21444C-page 8
V
Fire Start-up
FAULT = 1
MIN
Detected?
Power-Up
Power-on
No
Fan Fault
Operation
(1 SEC)
No
Reset
Normal
Timer
< V
SHDN
Yes
V
FAULT = 0,
V
Yes
V
MIN
Yes
Yes
Fan Fault
Yes
MIN
Power-up
OUT
< V
> V
TC642 Behavioral Algorithm Flowchart.
= 0
Fire Start-up
SHDN
REL
Shutdown
V
Fan Pulse
Detected?
Fan Fault
OUT
(1 SEC)
No
Timer
?
?
YES
= 0
No
No
V
MIN
Yes
> V
Cycling
Power?
REL
?
Yes
No
No
Yes
Proportional to Greater
V
of V
V
Missing Pulse
MIN
Detected?
IN
Fan Pulse
Operaton
No
No
Normal
Detector
IN
> V
V
Clear
< V
OUT
or V
OTF
No
SHDN
MIN
?
?
Expired?
No
M.P.D.
Yes
Yes
FAULT = 0
Fire Diagnostic
Detected?
Fan Pulse
(100msec)
Timer
Yes
Yes
2002 Microchip Technology Inc.
No
Yes
Shutdown
V
OUT
Detected?
Fan Pulse
Fan Fault
= 0
Fire Start-up
(1 SEC)
Timer
No
V
MIN
Power-up
> V
Yes
REL
No