參數(shù)資料
型號(hào)： TC647BEOATR
元件分類： 運(yùn)動(dòng)控制電子
英文描述： BRUSHLESS DC MOTOR CONTROLLER, PDSO8
封裝： 0.150 INCH, PLASTIC, SOIC-8
文件頁(yè)數(shù)： 23/34頁(yè)
文件大?。?/td> 683K
代理商： TC647BEOATR
2003 Microchip Technology Inc.
DS21756B-page 3
TC642B/TC647B
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings
Supply Voltage (VDD) .......................................................6.0V
Input Voltage, Any Pin................(GND - 0.3V) to (VDD +0.3V)
Operating Temperature Range ....................- 40°C to +125°C
Maximum Junction Temperature, TJ ...........................+150°C
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.
PIN FUNCTION TABLE
Name
Function
VIN
Analog Input
CF
Analog Output
VMIN
Analog Input
GND
Ground
SENSE
Analog Input
FAULT
Digital (Open-Drain) Output
VOUT
Digital Output
VDD
Power Supply Input
ELECTRICAL SPECIFICATIONS
Electrical Specifications: Unless otherwise specified, all limits are specified for -40°C < TA < +85°C, VDD = 3.0V to 5.5V.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Supply Voltage
VDD
3.0
—
5.5
V
Supply Current, Operating
IDD
—
200
400
A
Pins 6, 7 Open,
CF = 1 F, VIN = VC(MAX)
Supply Current, Shutdown Mode
IDD(SHDN)
—
30
—
A
Pins 6, 7 Open,
CF = 1 F, VMIN = 0.35V
VOUT Output
Sink Current at VOUT Output
IOL
1.0
—
mA
VOL = 10% of VDD
Source Current at VOUT Output
IOH
5.0
—
mA
VOH = 80% of VDD
VIN, VMIN Inputs
Input Voltage at VIN or VMIN for 100%
PWM Duty Cycle
VC(MAX)
2.45
2.60
2.75
V
Over-Temperature Indication
Threshold
VOTF
VC(MAX) +
20 mV
V
For TC642B Only
Over-Temperature Indication
Threshold Hysteresis
VOTF-HYS
80
mV
For TC642B Only
VC(MAX) - VC(MIN)
VC(SPAN)
1.3
1.4
1.5
V
Minimum Speed Threshold
VMIN
VC(MAX) -
VC(SPAN)
VC(MAX)
V
Voltage Applied to VMIN to Ensure
Shutdown Mode
VSHDN
——
VDD x 0.13
V
Voltage Applied to VMIN to Release
Shutdown Mode
VREL
VDD x 0.19
—
V
VDD = 5V
Hysteresis on VSHDN, VREL
VHYST
—
0.03 x VDD
—V
VIN, VMIN Input Leakage
IIN
- 1.0
—
+1.0
A
Pulse-Width Modulator
PWM Frequency
fPWM
26
30
34
Hz
CF = 1.0 F
Note 1:
Ensured by design, tested during characterization.
2:
For VDD < 3.7V, tSTARTUP and tMP timers are typically 13/f.
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