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参数资料
| 型号： | L6229Q |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 2.8 A, QCC32 |
| 封装： | 5 X 5 MM, 1 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, VFQFPN-32 |
| 文件页数： | 28/28页 |
| 文件大小： | 521K |
| 代理商： | L6229Q |
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L6229Q
Electrical characteristics
Doc ID 15209 Rev 3
9/28
fCP
Charge pump frequency
TJ = -25 °C to 125 °C
(1)
0.6
1
MHz
PWM comparator and monostable
IRCOFF
Source current at pin RCOFF
VRCOFF = 2.5 V
3.5
5.5
mA
VOFFSET
Offset voltage on sense comparator (3)
Vref = 0.5 V
±5
mV
tprop
Turn OFF propagation delay (4)
Vref = 0.5 V
500
ns
tblank
Internal blanking time on sense
comparator
1s
tON(min)
Minimum on time
2.5
3
s
tOFF
PWM recirculation time
ROFF = 20 kΩ; COFF = 1 nF
13
μs
ROFF = 100 kΩ; COFF = 1 nF
61
μs
IBIAS
Input bias current at pin VREF
10
A
Tacho monostable
IRCPULSE
Source current at pin RCPULSE
VRCPULSE = 2.5 V
3.5
5.5
mA
tPULSE
Monostable of time
RPUL = 20 kΩ; CPUL = 1 nF
12
μs
RPUL = 100 kΩ; CPUL = 1 nF
60
μs
RTACHO
Open drain ON resistance
40
60
W
Over current detection and protection
ISOVER
Supply overcurrent protection threshold TJ = -25 to 125 °C
(2)
2
2.8
3.55
A
ROPDR
Open drain ON resistance
IDIAG = 4 mA
40
60
W
IOH
OCD high level leakage current
VDIAG = 5 V
1
A
tOCD(ON)
OCD turn-ON delay time (4)
IDIAG = 4 mA; CDIAG < 100 pF
200
ns
tOCD(OFF)
OCD turn-OFF delay time (4)
IDIAG = 4 mA; CDIAG < 100 pF
100
ns
1.
Tested at 25 °C in a restricted range and guaranteed by characterization
2.
See Figure 3.
3.
Measured applying a voltage of 1 V to pin SENSE and a voltage drop from 2 V to 0 V to pin VREF.
4.
See Figure 4.
Table 6.
Electrical characteristics (continued)
(VS = 48 V, TA = 25 °C, unless otherwise specified)
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
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