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FAN8403D3
3-Phase BLDC Motor Driver with PLL
Features
3-Phase BLDC motor drive IC with speed control Phase Locked Loop (PLL) speed control Built-in phase locked detector output External clock for control of motor speed Built-in FG amplifier and FG schmidt comparator Built-in integrating amplifier with phase error Auto Gain Control (AGC) circuit for compensation hall amplifier * Built-in protection circuits (over-current limit, undervoltage limit, thermal shut down) * * * * * * *
Description
The FAN8403D3 is a monolithic integrated circuit. It is suitable for polygon mirror motor of laser beam printer (LBP).
28-SSOPH-375SG2
Typical application
* * * * * Polygon mirror motor for laser beam printer Polygon mirror motor for facsimile Polygon mirror motor for duplicator Polygon mirror motor for multi-function printer General 3 phase BLDC motor
Ordering Information
Device
FAN8403D3 FAN8403D3TF
Package
28-SSOPH-375SG2 28-SSOPH-375SG2
Operating Temp.
-20C ~ +80C -20C ~ +80C
Rev.1.0.0
(c)2002 Fairchild Semiconductor Corporation
FAN8403D3
Pin Assignments
AGC FGINFGS FGOUT S/S NC SGND
1 2 3 4 5 6 7
28 27 26 25 24 23 22
HWHW+ HUHU+ HVHV+ W
FIN
FAN8403D3
FIN
LD ECLK PD EI EO FC VREG
8 9 10 11 12 13 14
21 20 19 18 17 16 15
V U NC RF PGND PVCC SVCC
2
FAN8403D3
Pin Definitions
Pin Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Pin Name AGC FGINFGS FGOUT S/S NC SGND LD ECLK PD EI EO FC VREG SVCC PVCC PGND RF NC U V W HV+ HVHU+ HUHW+ HWU Output V Output W Output V Hall Amplifier Non Inverting Input V Hall Amplifier Inverting Input U Hall Amplifier Non Inverting Input U Hall Amplifier Inverting Input W Hall Amplifier Non Inverting Input W Hall Amplifier Inverting Input Pin Function Description AGC Amplifier Frequency Characteristics Correction FG Amplifier Inverting Input FG Pulse Output FG Amplifier Output (Open collect) Stop And Start Signal Ground Phase Locked Loop Detector Output (Open Collect) External Clock Phase Locked Loop Detector Output Error Amplifier Inverting Input Error Amplifier Output Control Amplifier Frequency Correction Regulator Voltage Stabilization Output Signal VCC Power VCC Power Ground Output Current Detection -
3
FAN8403D3
Internal Block Diagram
AGC FGINFGS FGOUT S/S NC SGND
1 2 3 4 5 6 7
AGC
28 27
HWHW+ HUHU+ HVHV+ W
+
+
VREG 2
Hall AMP Matrix
26 25 24 23 22
S/S
PLL FIN Clock Output Controller FIN
LD ECLK PD EI EO FC VREG
8 9 10 11 12 13 14
Lock Detector V-type Control OCL
21 20 19 18 17 16 Regulator 15
V U NC RF PGND PVCC SVCC
+
VREG 2
TSD & UVLO
4
FAN8403D3
Absolute Maximum Ratings (Ta = 25C)
Parameter Maximum Supply Voltage Maximum Output Current Maximum Power Dissipationnote1 Thermal Resistancenote1 Operating Temperature Storage Temperature Symbol VCCMAX IOMAX PDMAX JA TOPR TSTG Value 30 1.0 3.0note2 5.25note3 41.57note2 23.81
note3
Unit V A W C/W C C
Remark -
-20 ~ +80 -50 ~ +150
Note 1. PCB Condition: Thickness (1.6mm), Dimension (76.2mm * 114.3mm) Refer: EIA/JSED 51-3 & EIA/JSED 51-7 Note 2. Air condition (0m/s) Note 3. Air condition (3m/s)
Power Dissipation Curve (Air condition = 0m/s)
3.5 3 2.5 Pd[W] 2 1.5 1 0.5 0 0 20 40 60 80 Tc or Ta[C] 100 120 140
Air Speed & JA
45 40 35 JA[C/W] 30 25 20 15 10 5 0 0 1 2 3 Air Speed[m/s] 4 5 6
5
FAN8403D3
Recommended Operating Conditions (Ta = 25C)
Parameter Operating Voltage Range (PVCC,SVCC) Symbol VCC Min. 20 Typ. 24 Max. 28 Unit V
Electrical Characteristics (Ta = 25C)
Parameter POWER SUPPLY CURRENT Low Power Supply Current Typical Power Supply Current High Power Supply Current Source Saturation Voltage (1) Source Saturation Voltage (2) Sink Saturation Voltage (1) Sink Saturation Voltage (2) Output Leakage Current UNDER VOLTAGE LOCK-OUT UVLO Operating Voltage UVLO Hysteresis REGULATOR VOLTAGE OUTPUT Regulator Output Voltage Power Supply Variation Load Variation HALL AMPLIFIER INPUT BLOCK H+ Hall Amp Input Bias Current H- Hall Amp Input Bias Current Hall Differential Input Range Hall Common Input Range FG AMPLIFIER BLOCK FG AMP Input Bias Current FG AMP DC Bias Level FG Output High Level Voltage FG Output Low Level Voltage FGS High / Low Input Hysteresis FGS Low / High Input Hysteresis FGS Hysteresis FGS Input Operating Level FGS Output Saturation Voltage FGS Output Leakage Current IBFG VBFG VOHFG VOLFG VSHL VSLH VFGL VFGSIL VFGSSAT IFGSLEAK IFGS=4mA VCC=28V No external load No external load -1 2.90 VREG1.1V -50 100 100 400 3.15 0.8 0 150 0.2 1 3.40 1.2 50 200 200 0.4 10 A V V V mV mV mV mVp-p V A IBHA+ IBHA- VHIN VICM Sine wave input Differential input: 50mVp-p 50 3.5 2 2 10 10 350 VCC3.5 A A mVp-p V VREG HVREG1 HVREG2 VCC=20~28V ILOAD=0~10mA 5.8 6.3 6.8 100 100 V mV mV VSD HVSD 8.7 1.3 9.3 1.6 9.9 1.9 V V ICCL ICCT ICCH VSATU1 VSATU2 VSATL1 VSATL2 IOLEAK Stop mode, VCC=20V Stop mode, VCC=24V Stop mode, VCC=28V IO=0.6A, RF=0 IO=0.3A, RF=0 IO=0.6A, RF=0 IO=0.3A, RF=0 VCC=28V, OUT=28V 7 7.5 8 17 17.5 18 1.8 1.6 0.5 0.25 27 27.5 28 2.5 2.3 1.0 0.7 100 mA mA mA V V V V A Symbol Conditions Min. Typ. Max. Unit
OUTPUT POWER TRANSISTOR CHARACTERISTICS
FG SCHMIDT COMPARATOR BLOCK
6
FAN8403D3
Electrical Characteristics (Continued)
Parameter ERROR AMPLIFIER BLOCK Error AMP Input Bias Current Error AMP DC Bias Level Error Output High Level Voltage Error Output Low Level Voltage CONTROLLER BLOCK Dead Zone Output Idle Voltage Forward Gain Reverse Gain Accelerate Command Voltage Decelerate Command Voltage Forward Limit Voltage Reverse Limit Voltage CURRENT LIMIT OPERATION RF Output Voltage Limit PD Output High Level Voltage PD Output Low Level Voltage PD Output Source Current PD Output Sink Current LD Output Saturation Voltage LD Output Leakage Current S/S BLOCK S/S Input High Level Voltage S/S Input Low Level Voltage S/S Hysteresis S/S Input Open Voltage S/S Input High Level Current S/S Input Low Level Current EXTERNAL CLOCK INPUT BLOCK ECLK Input High Level Voltage ECLK Input Low Level Voltage External Input Frequency ECLK Input Open Voltage ECLK Input High Level Current ECLK Input Low Level Current VIHCLK VILCLK FCLK VIOCLK IIHCLK IILCLK VCLK=VREG VCLK=0V External clock mode 3.3 0 0.5 3.7 100 -400 4.2 150 -300 VREG 2.1 7.0 4.7 200 -200 V V KHz V A A VIHSS VILSS VISSS VIOSS IIHSS IILSS VSS=VREG VSS=0V 3.0 0 0.3 3.7 100 -400 0.5 4.2 150 -300 VREG 2 0.7 4.7 200 -200 V V V V A A VRF VPDH VPDL IPD+ IPD- VLDSAT ILDLEAK No external load No external load VPD=0.5*VREG VPD=0.5*VREG ILD=5mA VCC=28V 0.55 5.2 1.0 0.60 0.1 0.65 0.7 -0.6 0.4 10 V V V mA mA V A PHASE COMPARATOR OUTPUT BLOCK VDZ VID GDF+ GDF- VSTA VSTO VL+ VL- RF=22 RF=22 50 0.4 -0.6 VREG1.1V 100 0.5 -0.5 0.8 0.60 0.60 300 5 0.6 -0.4 1.5 mV mV V V V V IBER VBER VOHER VOLER No external load No external load -1 2.90 VREG1.1V 3.15 1 3.40 1.0 A V V V Symbol Conditions Min. Typ. Max. Unit
PHASE LOCK DETECTOR OUTPUT BLOCK
7
FAN8403D3
Test Circuits
VCC
3.5V
56K 0.1u
+
1 2
AGC FGINFGS FGOUT S/S NC SGND
HWHW+ HUHU+ HVHV+ W
28 27 26 25 24 23 22
+ + +
HV HU HW
1K 3 4 1K 5 6 7 VCC
VCC
FAN8403D3
8 9 LD ECLK PD EI EO FC VREG V U NC RF PGND PVCC SVCC 21 20 19 18
VCC VCC
10K
VREG
10 11 12 13 14 0.1u
+ +
22 17 16 15 VCC 10u
+
0.1u
8
FAN8403D3
Typical Application Circuits
R1 C6 R15 FG Sensor R14 C7 R5 2 FGS C8 R6 3 4 C9 5 S/S R7 C10 6 7 FGINFGS FGOUT S/S NC SGND HW+ HUHU+ HVHV+ W 27 26 25 24 23 22 C5 1 AGC HW28
+ HU HW
+ HV
+
R2
FAN8403D3
M
LD ECLK C17 R9 R10 R11 C12 C14 14 C1 VREG SVCC 15 R4 C2
+
R13 R8
8 9 10 C11 11 C13 12 13
LD ECLK PD EI EO FC
V U NC RF PGND PVCC
21 C4 20 C3 19 18 R3 17 16 VCC
9
FAN8403D3
Package Dimensions (Unit: mm)
28-SSOPH-375SG2
10
FAN8403D3
11
FAN8403D3
DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user.
www.fairchildsemi.com 5/10/02 0.0m 001 Stock#DSxxxxxxxx 2002 Fairchild Semiconductor Corporation
2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.

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