參數(shù)資料
型號(hào)： TC649VUATR
元件分類： 運(yùn)動(dòng)控制電子
英文描述： BRUSHLESS DC MOTOR CONTROLLER, PDSO8
封裝： PLASTIC, MSOP-8
文件頁(yè)數(shù)： 22/28頁(yè)
文件大小： 478K
代理商： TC649VUATR
2002 Microchip Technology Inc.
DS21449C-page 3
TC649
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings*
Supply Voltage ......................................................... 6V
Input Voltage, Any Pin.... (GND – 0.3V) to (VDD +0.3V)
Package Thermal Resistance:
PDIP (RθJA) ............................................125°C/W
SOIC (RθJA)............................................155°C/W
MSOP (RθJA) ..........................................200°C/W
Specified Temperature Range ........... -40°C to +125°C
Storage Temperature Range.............. -65°C to +150°C
*Stresses above those listed under "Absolute Maximum Rat-
ings" may cause permanent damage to the device. These are
stress ratings only and functional operation of the device at
these or any other conditions above those indicated in the
operation sections of the specifications is not implied. Expo-
sure to absolute maximum rating conditions for extended peri-
ods may affect device reliability.
DC ELECTRICAL SPECIFICATIONS
Electrical Characteristics: Unless otherwise specified, TMIN ≤ TA ≤ TMAX, VDD = 3.0V to 5.5V.
Symbol
Parameter
Min
Typ
Max
Units
Test Conditions
VDD
Supply Voltage
3.0
—
5.5
V
IDD
Supply Current, Operating
—
0.5
1.0
mA
Pins 6, 7 Open,
CF = 1 F, VIN = VC(MAX)
IDD(SHDN)
Supply Current, Shutdown/
Auto-shutdown Mode
—
25
—
A
Pins 6, 7 Open; Note 1
CF =1 F, VIN = 0.35V
IIN
VIN, VAS Input Leakage
-1.0
—
+1.0
A
VOUT Output
tR
VOUT Rise Time
—
50
sec IOH = 5 mA, Note 1
tF
VOUT Fall Time
—
50
sec IOL = 1 mA, Note 1
tSHDN
Pulse Width (On VIN) to Clear Fault
Mode
30
—
sec VSHDN, VHYST
Specifications, Note 1
IOL
Sink Current at VOUT Output
1.0
—
mA
VOL = 10% of VDD
IOH
Source Current at VOUT Output
5.0
—
mA
VOH = 80% of VDD
SENSE Input
VTH(SENSE) SENSE Input threshold Voltage with
Respect to GND
50
70
90
mV
FAULT Output
VOL
Output Low Voltage
—
0.3
V
IOL = 2.5 mA
tMP
Missing Pulse Detector Timer
—
32/F
—
Sec
CF = 1.0 F
tSTART
Start-up Timer
—
32/F
—
Sec
CF = 1.0 F
tDIAG
Diagnostic Timer
—
3/F
—
Sec
CF = 1.0 F
VIN, VAS Inputs
VC(MAX)
Voltage at VIN for 100% Duty Cycle
2.5
2.65
2.8
V
VC(SPAN)
VC(MAX) - VC(MIN)
1.3
1.4
1.5
V
VAS
Auto-shutdown Threshold
VC(MAX) -VC(SPAN)
—VC(MAX)
V
VSHDN
Voltage applied to VIN to Release
Reset/Shutdown
——
VDD x 0.13
V
VREL
Voltage applied to VIN to Release
Reset Mode
VDD x 0.19
—
V
VDD = 5V,
VHYST
Hysteresis on VSHDN, VREL
—0.01 x VDD
—V
VHAS
Hysteresis on Auto-shutdown
Comparator
—70
—
mV
Pulse Width Modulator
FOSC
PWM Frequency
26
30
34
Hz
CF = 1.0 F
Note 1: Ensured by design, not tested.
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