TC648EOA713 Microchip Technology, TC648EOA713 Datasheet - Page 16
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TC648EOA713
Manufacturer Part Number
TC648EOA713
Description
IC PWM FAN SPEED CONTRLR 8-SOIC
Manufacturer
Microchip Technology
Type
Controller - PWM Fanr
Specifications of TC648EOA713
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-SOIC (3.9mm Width)
Product
Fan / Motor Controllers / Drivers
Operating Supply Voltage
3 V to 5.5 V
Supply Current
400 uA
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:
TC648EOA713
Manufacturer:
MICROCHIP
Quantity:
12 000
TC646B/TC648B/TC649B
FIGURE 4-9:
DS21755B-page 16
Hot Start
V
Fire Start-up
V
FAULT = 1
IN
Power-Up
Power-on
Fan Pulse
Detected?
Operation
IN
Yes
Normal
(1 sec)
Reset
No
Timer
< V
No
No
< V
SHDN
AS
FAULT = Low,
V
V
?
Detected?
IN
Fan Fault
OUT
16 Pulses
Operation
?
Yes
Normal
< V
TC646B/TC649B Behavioral Algorithm.
= High
No
Yes
Yes
SHDN
No
Yes
?
Shutdown
Shutdown
V
Fire Start-up
V
Detected?
Fan Pulse
OUT
Fan Fault
Auto-
OUT
(1 sec)
No
Timer
Yes
= 0
= 0
No
(V
AS
V
+ V
IN
V
Shutdown
V
Yes
V
IN
>
HAS
IN
OUT
Yes
> V
> V
)
REL
= 0
REL
No
?
?
No
Yes
Power-Up
Yes
Pulse Detector
Clear Missing
V
V
Proportional
IN
V
Fan Pulse
Operation
Detected?
IN
IN
No
Normal
No
No
< V
to V
V
> V
< V
No
OUT
SHDN
IN
OTF
AS
?
?
?
Expired?
FAULT = 0
M.P.D.
Yes
No
Yes
Yes
Diagnostic
(100 msec)
Fan Pulse
Detected?
Shutdown
V
Timer
OUT
Fire
Auto
Yes
Yes
= 0
(V
2003 Microchip Technology Inc.
AS
TC646B Only
Shutdown
V
Yes
V
+ V
IN
OUT
No
Yes
>
HAS
= 0
Fire Start-up
Detected?
Fan Pulse
)
Fan Fault
No
(1 sec)
Timer
Hot Start
V
No
IN
> V
Power-Up
Yes
REL?
No