SA5901 Datasheet, PDF (18/24 Pages) Silan Microelectronics Joint-stock – 4-CHANNEL MOTOR DRIVER FOR PORTABLE CD PLAYER

SA5901
Supplementary explanation of test circuit 2
No.6 Input conditions
CH1, 3&4 (VIN1=VREF+0.15V) CH2 only (VIN1=VREF+0.10V)
(VIN2=VREF+0.15V)
(VIN2=VREF+0.05V)
(VIN3=VREF-0.15V)
(VIN3=VREF-0.10V)
(VIN4=VREF-0.15V)
(VIN4=VREF-0.05V)
No. 7 GVC(+)-GVC(-)
No. 8 Current flowing when 1.7V has been impressed each driver shall be IRIN1, and current flowing when
1.8V has been impressed shall be IRIN2.
No.9 Measure voltage between output F and output R of each driver upon RL=8Ω. (HVCC=BATT=4V)
No. 10 Voltage between each output F and GND when 300mA has been flowed into a lower power transistor.
(HVCC=BATT=2V)
No. 11 Voltage between each output and HVCC when 300mA has been taken from an upper power transistor.
(HVCC=BATT=2V)
No. 12 Measure voltage between each driver input pin and VREF pin.
No. 13 Measure voltage between output F and output R of driver upon short-circuiting between each driver
input pin and VREF pin. (RL=8Ω).
No. 14 Measure at input conditions of (VIN1=VREF+50mV)
(VIN2=VREF+30mV)
(VIN3=VREF-50mV)
(VIN4=VREF-30mV)
No. 15 Output of CH1 shall be 0 when 2.0V has been impressed to BRAKE1 pin.
No. 16 Output of CH1 shall be observed completely when 0.8V has been impressed to BRAKE1 pin.
No. 17 Output of CH2 shall be 0 when 2.0V has been impressed to MUTE2 pin.
No. 18 Output of CH2 shall be observed completely when 0.8V has been impressed to MUTE2
No. 19 Output of CH3 &CH4 shall be 0 when 0.8V has been impressed to MUTE34 pin.
No. 20. Output of CH3 &CH4 shall be observed completely when 2.0V has been impressed to MUTE34 pin.
No. 21 Each output of driver shall be observed completely when 1.2V has been impressed to VREF pin.
No. 22 Each output of driver shall be 0 when 0.8V has been impressed to VREF pin.
No. 23 Measure the difference between IBAT upon BRAKE=0V and IBAT upon BRAKE1=3.2V.
No. 24 Measure current flowing into PSW pin.
No. 25 Difference between OUT1F pin voltage and HVCC pin voltage generated by a switching regulator.
No. 26 Measure leak current of HVCC pin.
No. 27 When approximately 1V is observed in driver output (OUT1F pin) (VIN1=VREF+0.2V), PWMFIL pin
current upon HVCC=1.2V shall be IPWM1 and the current upon HVCC=1.4V shall be IPWM2. (Measure PWMFIL
pin at 0.7V.)
IPWM1− IPWM2
GPWM =
(1/ KΩ)
0.2V
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.3 2006.02.27
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