SA5901A Silan, SA5901A Datasheet

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SA5901A

Manufacturer Part Number
SA5901A
Description
Manufacturer
Silan
Datasheet

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Part Number:
SA5901A
Manufacturer:
SILAN
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Part Number:
SA5901A
Quantity:
59
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
4-CHANNEL MOTOR DRIVER FOR PORTABLE CD PLAYER
DESCRIPTION
and DC/DC converter control circuit. Because of the small package QFP-
44, it is most suitable for small equipment.
FEATURES
<H-bridge driver>
<DC/DC converter control circuit>
<Reset circuit>
<Reduced voltage detection circuit>
SA5901 is suitable for portable CD player with 4-ch H bridge drivers
Four channels of H-bridge drivers are contained.
DC/DC converter control circuit is contained.
Reduced voltage detection circuit.
Low power consumption
Thermal shutdown circuit
QFP-44 package
Mute function is disabled for ch1, ch2 and ch3/ch4 respectively.
Starter and power off function
Soft-start function and short-circuit protection function
Self-advancing oscillation and clock synchronization are available.
Inversion output pin for reset output is available.
Reset circuit
Battery charging circuit
General purpose operational amplifier is contained
Excellent gain can be obtained by a voltage feedback circuit.
Reset voltage is interlocked with the set voltage of DC/DC converter.
Load drive voltage can be processed by PWM control through an
external component.
level.
Battery charger and dry battery allow to switch “ Empty” detection
ORDERING INFORMATION
<Battery charging circuit>
Device
SA5901A
SA5901L
Constant current battery
It is separated from any other
A charging power transistor is
Independent thermal shutdown
charging system allows varying
current value through
resistance.
blocks and it can be operated
independently.
contained.
circuit is contained.
LQFP44-10 x10-0.8
QFP44-10 x10-0.8
REV:1.3
QFP44-10 X 10-0.8
LQFP44-10 X 10-0.8
Package
Page 1 of 24
SA5901
2006.02.27

Related parts for SA5901A

SA5901A Summary of contents

Page 1

... Battery charger and dry battery allow to switch “ Empty” detection level. HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn SA5901 QFP44-10 x10-0.8 LQFP44-10 x10-0.8 ORDERING INFORMATION Device Package SA5901A QFP44-10 X 10-0.8 SA5901L LQFP44-10 X 10-0.8 <Battery charging circuit> Constant current battery charging system allows varying current value through resistance separated from any other blocks and it can be operated independently ...

Page 2

... Note: derating is done at 5mW/ C for operating above Tamb=25 C. RECOMMENDED OPERATING CONDITION Characteristics Control circuit power supply voltage Pre-driver power supply voltage H-bridge power supply voltage Power unit power supply voltage Charging circuit power supply voltage Ambient temperature HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com. ...

Page 3

... IN pin CH1,3,4 input resistance CH2 Maximum output voltage Lower transistor saturated voltage Upper transistor saturated voltage Input offset voltage Output CH1,3,4 offset voltage CH2 Dead zone HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn (Unless otherwise specified ,T =0V,f =88.2KHz) CC CLK Symbol Test conditions BATT=9V, I ...

Page 4

... HVCC leak current PWM amplifier transfer gain DC/DC converter section Error amplifier section VSYS1 pin threshold E0 pin output voltage H E0 pin output voltage L Short-circuit protection SPRT pin voltage (normal) HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn Symbol Test conditions V IN1=1.8V BRON V IN1=1.8V BROFF V IN2=1 ...

Page 5

... SW pin oscillating frequency 3 SW pin minimum pulse width Pulse duty at start Max. pulse duty at seld-runing Max. pulse duty at CLK synchronization Dead time section DEAD pin impedance DEAD pin output voltage HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn Symbol Test conditions I EI=0.7V SPR1 I EI=1.3V, OFF=0V SPR2 I EI=1.3V, BATT=9.5V SPR3 ...

Page 6

... Empty detection section Empty detection voltage 1 Empty detection voltage 2 Empty detection hysteresis width 1 V Empty detection hysteresis width 2 V EMP pin output voltage EMP pin output leak current BSEN pin input resistance HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn Symbol Test conditions V EI=1.3V OFTH I ...

Page 7

... Operational amplifier section Input bias current Input offset voltage High level output voltage Low level output voltage Output drive current (source) Output drive current (sink) Open loop voltage gain Slew rate HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn Symbol Test conditions V =V =0V, SYS1 SYS2 ...

Page 8

... PIN DESCRIPTION PIN No. Symbol 1 BSEN Battery voltage monitor pin 2 BATT Battery power supply input pin 3 RESET Cassette detection output pin 4 DEAD Dead-time setting pin HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn Symbol Test conditions CHGV =4.5V RCHG RCHG=1.8k CHGV =4.5V, RCHG=0.5 CC RRCHG and 0.6V CHGV =4 ...

Page 9

... Boost DC/DC converter OFF pin 41 CHGVCC Charging circuit power supply input pin 42 SEL ‘ Empty’ detection level switching pin 43 PREGND Pre-unit power supply ground pin 44 PWMFLL PWM phase compensation pin HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn Description REV:1.3 Page SA5901 2006.02.27 ...

Page 10

... This unit uses PNP transistor, coil, schottky diode and capacitor as external component. DC/DC converter (Output voltage) Booster circuit of 3.2V(typ.) can be configured with external components. This voltage varies depending on addition of external components. How to set the voltage is as follows: HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn 55K GV=20log| | (dB) 11K ...

Page 11

... Reset circuit Upon 90% (typ.) of DC/DC converter output voltage, RESET pin (3-pin) varies from “ L” to “ H” and AMUTE pin (34-pin) changes from “ H” to “ L” . Hysteresis of 50mV(typ.) set to the reset voltage to prevent the output chattering. HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn R1 ...

Page 12

... When the chip temperature has dropped to 120 C(typ.), the charging current begins to flow. TEST CIRCUIT (1) Table of test circuit 1 switches position Measuring no HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com. ...

Page 13

... --: Switch open. Supplementary explanation of test circuit 1. No. 1 Measure IBAT. No. 2 Measure IBAT No.3 Measure ISYS1 HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com. ...

Page 14

... No. 87 Current flowing from this pin when 0.5V has been impressed to RCHG pin shall be IRC1, and current when 0.6V has been impressed shall be IRC2. No. 88 & 89 Measure leak current of SEL pin. No. 90 Measure SEL pin voltage when 300mA has been flowed into the SEL pin. HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn 0.1V RSPR= ...

Page 15

... TEST CIRCUIT (2) Table 1/2 of test circuit 2 switches position Measuring no. 1 CH1F,R -- CH2F CH3F,R -- CH4F,R -- CH1 -- CH2 -- 7 Ch3 -- CH4 -- CH1 -- CH2 -- 8 CH3 -- CH4 -- CH1F,R -- CH2F CH3F,R -- CH4F,R -- HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com. ...

Page 16

... CH3F -- CH3R -- CH4F -- CH4R -- CH1 -- CH2 -- 12 CH3 -- CH4 -- CH1 -- CH2 -- 13 CH3 -- CH4 -- CH1 -- 14 CH2 -- CH3 -- 14 CH4 -- 15 CH1 -- 16 CH1 -- 17 Ch2 -- 18 CH2 -- CH3 -- 19 CH4 -- CH3 -- 20 CH4 -- HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com. ...

Page 17

... Voltage gain GVC (+)=20log | | VIN 1 VIN GVC (-)=20log | | VIN 3 VIN 4 Gain error by polarity GVC(+)-GVC(-) Dead zone VIN VIN VIN xc-xc’ HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com. ...

Page 18

... 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.) HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn CH2 only (VIN1=VREF+0.10V) (VIN2=VREF+0.05V) (VIN3=VREF-0 ...

Page 19

... TEST CIRCUIT (3) Table of test circuit 3 switches position Measuring No HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com. SA5901 ...

Page 20

... The voltage width until EMP pin varies “ L” to “ H” upon increasing BSEN pin voltage from that voltage shall be hysteresis width. No. 62 &64 BSEN pin voltage when EMP pin varies from “ H” to “ L” upon decreasing the BSEN pin voltage HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com. ...

Page 21

... No. 75 AMUTE pin voltage when 1mA has been taken from the AMUTE pin. No. 76 AMUTE pin voltage when 1mA has been taken from the AMUTE pin upon VSYS1=0V and VSTART=0V. No. 77 Current flowing into AMUTE pin when 1.0V has been impressed to AMUTE pin shall be IAMUTE. HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com. ...

Page 22

... TYPICAL APPLICATION CIRCUIT 1.8K 33 AMUTE 34 EMP 35 33 HVCC PSW CLK 38 START 39 0.1 OFF 40 100K CHCVCC 41 SEL 42 PREGND 43 PWMFIL 44 1 HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn TRAVERSE SP INDLE FOCUS SA5901 8.2K 0.1 0.022 DC/ OUT converter aplication 47 100 ...

Page 23

... PACKAGE OUTLINE QFP-44-10x10-0.8 LQFP-44-10x10-0.8 12.0±0.1 10.00±0.05 0.30 HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn 0.58±0.05 0.8 SA5901 UNIT: mm UNIT: mm 1.40±0.05 0.127 REV:1.3 2006.02.27 Page ...

Page 24

... Add “ QFP-44-10X10-0.8” 2004.04.08 1.2 Modify the “ TEST CIRCUIT(2)” Modify the package of “ QFP-44-10X10-0.8” 2006.02.27 1.3 Add the package of “ LQFP-44-10X10-0.8” HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn Description REV:1.3 SA5901 Page 19 2006.02.27 Page ...

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