BD62014AFS Datasheet, PDF (2/24 Pages) Rohm – 3-Phase Brushless Fan Motor Controller

BD62014AFS
 Block Diagram and Pin Configuration
VREG
HU
HV
HW
TSD
HUP
21
HUN
20
HVP
19
HVN
18
HWP
17
HWN
16
UVLO
LOGIC
VCC
3
VREG
VREG
VREG
22
DRIVER
UH
10
UL
9
VH
8
VL
7
WH
6
WL
5
VDC
M
FG 14
3
6
3 ^FILTER
PC
23
PCT
24
+
A/D
V/I
SINUSOIDAL
WAVE GENE.
VSP
15
TEST
OSC
RCL
4
13 FGS
12 CCW
FIB
11
RT
2
FAULT
1
GND
Figure 2. Block diagram
Datasheet
GND
RT
VCC
RCL
WL
WH
VL
VH
UL
UH
FIB
CCW
PCT
PC
VREG
HUP
HUN
HVP
HVN
HWP
HWN
VSP
FG
FGS
Figure 3. Pin configuration
 Pin Descriptions
Pin
Name
1
GND
2
RT
3
VCC
4
RCL
5
WL
6
WH
7
VL
8
VH
9
UL
10
UH
11
FIB
12
CCW
Function
Pin
Signal ground
24
Carrier frequency setting pin
23
Power supply
22
Over current sense pin
21
Low side driver output phase W 20
High side driver output phase W 19
Low side driver output phase V
18
High side driver output phase V 17
Low side driver output phase U 16
High side driver output phase U 15
External fault input (Low active) 14
Direction switch (H:CCW)
13
Name
PCT
PC
VREG
HUP
HUN
HVP
HVN
HWP
HWN
VSP
FG
FGS
Function
VSP offset voltage output pin
Phase control input pin
Regulator output
Hall input pin phase U+
Hall input pin phase U-
Hall input pin phase V+
Hall input pin phase V-
Hall input pin phase W+
Hall input pin phase W-
Duty control voltage input pin
FG signal output
FG pulse # switch (H:12, L:4)
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TSZ02201-0828ABB00340-1-2
03.JUN.2016 Rev.002