TC646BEUA Microchip Technology, TC646BEUA Datasheet - Page 3
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TC646BEUA
Manufacturer Part Number
TC646BEUA
Description
IC PWM FAN SPEED CTRLR SD 8-MSOP
Manufacturer
Microchip Technology
Type
Controller - PWM Fanr
Datasheet
1.TC648BEOA.pdf
(36 pages)
Specifications of TC646BEUA
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TC646BEUA
Manufacturer:
Microchip Technology
Quantity:
135
Company:
Part Number:
TC646BEUA
Manufacturer:
MICROCHIP
Quantity:
12 000
Company:
Part Number:
TC646BEUA713
Manufacturer:
MICROCHIP
Quantity:
12 000
1.0
Absolute Maximum Ratings†
Supply Voltage (V
Input Voltage, Any Pin................(GND - 0.3V) to (V
Operating Temperature Range ....................- 40°C to +125°C
Maximum Junction Temperature, T
ESD Protection on all pins ........................................... > 3 kV
† Notice: Stresses above those listed under “Maximum
Ratings” may cause permanent damage to the device. This is
a stress rating only and functional operation of the device at
those or any other conditions above those indicated in the
operational listings of this specification is not implied. Expo-
sure to maximum rating conditions for extended periods may
affect device reliability.
ELECTRICAL CHARACTERISTICS
Electrical Specifications: Unless otherwise specified, all limits are specified for -40°C < T
Supply Voltage
Supply Current, Operating
Supply Current, Shutdown Mode
V
Sink Current at V
Source Current at V
V
Input Voltage at V
Duty Cycle
Over-Temperature Indication
Threshold
Over-Temperature Indication
Threshold Hysteresis
V
Hysteresis on Auto-Shutdown
Comparator
Auto-Shutdown Threshold
Voltage Applied to V
Shutdown Mode
Voltage Applied to V
Shutdown Mode
Hysteresis on V
V
Note 1:
OUT
IN
C(MAX)
IN
2003 Microchip Technology Inc.
, V
, V
AS
Output
AS
2:
- V
Input Leakage
Inputs
ELECTRICAL
CHARACTERISTICS
C(MIN)
Parameters
Ensured by design, tested during characterization.
For V
SHDN
DD
OUT
IN
DD
) .......................................................6.0V
for 100% PWM
OUT
IN
IN
, V
< 3.7V, t
Output
to Ensure
to Release
REL
Output
STARTUP
J
........................... +150°C
and t
I
V
V
DD(SHDN)
V
V
OTF-HYS
V
C(SPAN)
V
C(MAX)
V
V
Sym
V
V
SHDN
I
I
HYST
I
I
HAS
DD
OL
OH
OTF
REL
DD
IN
AS
MP
timers are typically 13/f.
DD
V
V
V
DD
C(MAX)
+0.3V)
C(SPAN)
- 1.0
2.45
Min
3.0
1.0
5.0
1.3
—
—
—
—
—
x 0.19
TC646B/TC648B/TC649B
-
V
C(MAX)
20 mV
0.03 X
2.60
V
Typ
200
1.4
—
30
—
—
80
70
—
—
—
—
DD
PIN FUNCTION TABLE
+
FAULT/OTF
SENSE/NC
V
Name
V
GND
V
V
V
DD
V
C
OUT
C(MAX)
Max
AS
DD
2.75
+1.0
IN
400
F
5.5
1.5
—
—
—
—
—
—
x 0.13
A
Units
mV
mV
Analog Input
Analog Output
Analog Input
Ground
No Connect (NC) for TC648B
Digital (Open-Drain) Output
OTF for TC648B
Digital Output
Power Supply Input
Analog Input.
µA
µA
µA
< +85°C, V
mA
mA
V
V
V
V
V
V
V
V
Pins 6, 7 Open,
C
Pins 6, 7 Open,
C
V
V
For TC646B and TC648B
For TC646B and TC648B
V
Note 1
F
F
OL
OH
DD
= 1 µF, V
= 1 µF, V
DD
= 10% of V
= 5V
= 80% of V
Function
= 3.0V to 5.5V.
Conditions
IN
IN
DS21755B-page 3
= V
= 0.35V
DD
DD
C(MAX)