L6229QTR STMicroelectronics, L6229QTR Datasheet - Page 19

• Manufacturer Part Number: L6229QTR
• Description: IC DRIVER DMOS DC MOTOR 32VFQFPN
• Manufacturer: STMicroelectronics
• Type: 3 Phase Brushless DC Motor Driverr

Specifications of L6229QTR

• Applications: DC Motor Driver, Brushless (BLDC), 3 Phase
• Number Of Outputs: 1
• Current - Output: 2.8A
• Voltage - Supply: 12 V ~ 52 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 32-VFQFN, 32-VFQFPN
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Load: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-8495-2

L6229Q
Figure 17. Tachometer speed control loop
Figure 18. t
V
PULSE
REF
versus C
1 . 10
1 . 10
100
10
C
4
3
REF2
1
R
3
C
PUL
R
Doc ID 15209 Rev 3
1
4
V
and R
R
DD
PUL
R
DD
= 20kΩ
R
PUL
1
R
PUL
R
R
2
PUL
Cpul [nF]
RCPULSE
= 47kΩ
10
TACHO
VREF
C
C
R
REF1
PUL
PUL
H
1
= 100kΩ
MONOSTABLE
TACHO
100
Circuit description
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