AIM AT5801 Datasheet

AT5801
4-Channel Motor driver
for Portable CD Player
Features
Applications
˙Disc-man ˙Other portable compact disc media
Block Diagram
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: service@aimtron.com.tw
1
AT5801
4-Channel Motor driver
for Portable CD Player
Pin Descriptions
Pin No.
1 BSEN Battery voltage monitor 2 BATTY Battery power supply input 3 RESET Reset detection output 4 DEAD Dead-time setting 5 SW Booster transistor drive 6 EO Error amplifier output 7 EI Error amplifier input 8 SPRT Short-circuit protection setting
9 CT Triangular wave output 10 N.C. 11 Op- Operational amplifier negative input 12 VSYS1 Control circuit power supply input 13 OPOUT Operational amplifier output 14 Op+ Operational amplifier positive input 15 VSYS2 Pre-driver power supply input 16 VREF Reference power supply input 17 IN3 CH3 control signal input 18 IN4 CH4 control signal input 19 MUTE34 CH3/CH4 mute 20 IN2 CH2 control signal input 21 MUTE2 CH2 mute 22 IN1 CH1 control signal input 23 BRAKE1 CH1 brake 24 OUT4R CH4 negative output 25 OUT4F CH4 positive output 26 OUT3R CH3 negative output 27 OUT3F CH3 positive output 28 POWGND Power unit power ground 29 OUT2F CH2 positive output 30 OUT2R CH2 negative output 31 OUT1F CH1 positive output 32 OUT1R CH1 negative output 33 RCHG Charging current setting 34 AMUTE Reset inversion output 35 EMP “Empty” detection output 36 HVCC H-bridge power supply input 37 PSW PWM transistor drive 38 CLK External clock synchronization input 39 START Boost DC/DC converter starting 40 OFF Boost DC/DC converter OFF 41 CHGVCC Charging circuit power supply input 42 SEL “Empty” detection level switching 43 PREGND Pre-unit power supply ground 44 PWMFIL PWM phase compensation
Pin name Function
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: service@aimtron.com.tw
2
AT5801
4-Channel Motor driver
for Portable CD Player
Pin Assignments
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: service@aimtron.com.tw
3
AT5801
4-Channel Motor driver
for Portable CD Player
Absolute maximum ratings (
Ta = 2 5oC
)
Parameter Symbol Limits unit
Supply voltage V
CC*1
Driver output current Io 500 mA
Power dissipation Pd 625
Operating temperature range Topr -30~+85
Storage temperature range Tstg -55~+150
o
Derating is done 5mW/
Recommended operating conditions (
for operation above Ta=25oC.
C
Ta = 2 5oC
13.5 V
*
)
mW
o
C
o
C
Parameter Symbol Min. Typ. Max. unit
Control circuit power supply voltage VSYS1 2.7 3.2 5.5 V
Pre-driver power supply voltage VSYS2 2.7 3.2 5.5 V
H-bridge power supply voltage HVCC - PWM BATT V
Power unit power supply voltage BATT 1.5 2.4 8.0 V
Charging circuit power supply voltage CHGVCC 3.0 4.5 8.0 V
Ambient temperature Ta -10 25 70
o
C
Electrical characteristics
(
Unless specified particular, Ta = 25oC, BATT=2.4V, VSYS1= VSYS2=3.2V, VREF=1.6V, CHGVCC=0V, CLK=88.2KHz
)
Parameter Symbol Min. Typ. Max. Unit Conditions
Common section
BATT stand-by current I
BATT supply current at no-load VSYS1 supply current at no-load VSYS2 supply current at no-load CHGVCC supply current at no-load
I
I
I
CGVCC
H-bridge driver section
Voltage gain (CH1、34) (CH2) Gain error by polarity
IN pin (CH1、3、4)
G
G
ΔGvc 2
R
Input resistance (CH2)
Maximum output voltage V
Lower transistor saturated voltage Upper transistor saturated voltage
V
V
ST
I
BAT
SYS1
SYS2
VC134
VC2
IN134
R
OUT
SATL
SATU
12 14 16
21.5 23.5 24.5
91113
IN2
67.59
1.9 2.1
BATT=9V
03
μA
VSYS1= VSYS2=Vref=0V
2.5 4.0 mA HVcc=0.45V, MUTE34=3.2V
4.7 6.4 mA
HVcc=0.45 MUTE34=3.2V, EI=0V
4.1 5.5 mA HVcc=0.45V, MUTE34=3.2V
0.65 2.0 mA CHGVcc=4.5V, ROUT=OPEN
dB dB
02dB
kΩ
IN=1.7 and 1.8V
kΩ
240 400 mV
240 400 mV
RL=8Ω、HVCC=BATT=4V
V
IN=0~3.2V
=-300mAIN=0 and 3.2V
I
O
=300mAIN=0 and 3.2V
I
O
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: service@aimtron.com.tw
4
AT5801
4-Channel Motor driver
for Portable CD Player
Input offset voltage V
Output (CH1、3、4) offset voltage (CH2) Dead zone V BRAKE1 ON
threshold voltage BRAKE1 OFF threshold voltage MUTE2 ON threshold voltage MUTE2 OFF threshold voltage MUTE34 ON threshold voltage MUTE2 OFF threshold voltage VREF ON threshold voltage VREF OFF threshold voltage BRAKE1 brake current
V
OO134
V
V
BRON
V
BROFF
V
M2ON
V
M2OFF
V
M34ON
V
M34OFF
Vref
Vref
I
BRAKE1
OI
OO2
DB
ON
OFF
PWM power supply driving section
-8 0 8 mV
-50 0 50
-130 0 130
mV mV
-10 0 10 mV
2.0
--
2.0
--
--
2.0
1.1
--
--
0.8 V IN1=1.8V
--
0.8 V IN2=1.8V
0.8 V IN3= IN4=1.8V
--
--
0.8 V IN1= IN2=IN3=IN4=1.8V
VIN1=1.8V
VIN2=1.8V
V IN3= IN4=1.8V
V IN1=IN2=IN3=IN4=1.8V
4710mA
Vref=IN=1.6V
BRAKE1 pin The current Difference between “H” and “L”
PSW sink current I
HVCC level shift voltage V
HVCC leak current I
PWM amplifier transfer gain
G
DC/DC converter section
(Error amplifier section)
VSYS1 pin threshold voltage
V
EO pin output voltage H V
EO pin output voltage L V
(Short-circuit protection)
SPRT pin voltage(normal) V
SPRT pin current 1 EO=H I
SPRT pin current 2 EO=L I
SPRT pin current 3 (over-voltage)
SPRT pin impedance R
SPRT pin threshold voltage
V
Over-voltage V
PSW
HLK
PWM
SPR1
SPR2
I
SPR3
SPTH
HVPR
10 13 17 mA IN1=2.1V
0.35 0.45 0.55 V
SHIF
05
1/60 1/50 1/40
3.05 3.20 3.35 V
SITH
SPR
1.4 1.6
--
0 0.1 V EI=1.3V
EOH
EOL
61016
12 20 32
12 20 32
175 220 265
SPR
0.3 V
IN1=1.8V,HVCCOUT1F
HVCC=9V
μA
VSYS1= VSYS2=BATT=0V
1/kΩ
IN1=1.8V, HVCC=1.2~1.4V
EI=0.7V, I
V
EI=1.3V, I
μA
EI=0.7V
μA
EI=1.3V, OFF=0V
μA
EI=1.3V, BATT=9.5V
kΩ
1.10 1.245 1.30 V EI=0.7V, CT=0V
8.0 8.4 9.0 V BSEN pin voltage
=100μA
O
=100μA
O
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: service@aimtron.com.tw
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