參數(shù)資料
型號: TC648BEUA
元件分類: 運動控制電子
英文描述: BRUSHLESS DC MOTOR CONTROLLER, PDSO8
封裝: PLASTIC, MSOP-8
文件頁數(shù): 31/36頁
文件大小: 704K
代理商: TC648BEUA
TC646B/TC648B/TC649B
DS21755B-page 4
2003 Microchip Technology Inc.
TEMPERATURE SPECIFICATIONS
Pulse-Width Modulator
PWM Frequency
fPWM
26
30
34
Hz
CF = 1.0 F
SENSE Input (TC646B & TC649B)
SENSE Input Threshold Voltage
with Respect to GND
VTH(SENSE)
50
70
90
mV
Blanking time to ignore pulse due
to VOUT turn-on
tBLANK
—3.0
sec
FAULT / OTF Output
Output Low Voltage
VOL
——
0.3
V
IOL = 2.5 mA
Missing Pulse Detector Timer
tMP
32/f
sec
TC646B and TC649B, Note 2
Start-up Timer
tSTARTUP
—32/f
sec
Diagnostic Timer
tDIAG
3/f
sec
TC646B and TC649B
ELECTRICAL CHARACTERISTICS (CONTINUED)
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
Note 1:
Ensured by design, tested during characterization.
2:
For VDD < 3.7V, tSTARTUP and tMP timers are typically 13/f.
Electrical Characteristics: Unless otherwise noted, all parameters apply at VDD = 3.0V to 5.5V
Parameters
Sym
Min
Typ
Max
Units
Conditions
Temperature Ranges
Specified Temperature Range
TA
-40
+85
°C
Operating Temperature Range
TA
-40
+125
°C
Storage Temperature Range
TA
-65
+150
°C
Thermal Package Resistances
Thermal Package Resistance, 8-Pin MSOP
θJA
—200
°C/W
Thermal Package Resistance, 8-Pin SOIC
θJA
—155
°C/W
Thermal Package Resistance, 8-Pin PDIP
θJA
—125
°C/W
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