Power Controller. AT5801 Datasheet

AT5801 Datasheet PDF, Equivalent


Part Number

AT5801

Description

4-Channel Driver + Power Controller

Manufacture

Aimtron

Total Page 12 Pages
PDF Download
Download AT5801 Datasheet PDF


AT5801 Datasheet
Features
˙4 channels of H-bridge drivers.
˙Built-in DC/DC converter control circuit.
˙Built-in reset circuit.
˙Built-in reduced voltage detection circuit.
˙Built-in battery charging circuit.
˙Built-in general purpose operation amplifier.
˙Built-in thermal shutdown circuit.
˙Low power consumption.
˙QFP44 package.
AT5801
Preliminary
4-Channel driver + Power Controller
Description
The AT5801 is a 4-channel driver and power
controller that includes the reset, battery charge
and reduced voltage detection circuits required
for portable CD players on a single chip. The
driver block power supply uses the on-chip
switching regulator, making this component an
ideal choice for low-power sets.
Applications
Portable compact disk players (CDP)
Portable Mini disk player (MD)
Disk-man
Other portable compact disk media
Block Diagram
10F-1, No.55, Tung Kuang Road, Hsinchu, Taiwan, R.O.C.
Tel: 886-3-575-3058
Fax: 886-3-575-3015
1
Email: service@aimtron.com.tw
http://www.aimtron.com.tw
01/08/05

AT5801 Datasheet
AT5801
Preliminary
4-Channel driver + Power Controller
Pin Descriptions
Pin No.
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
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
Pin name
BSEN
BATTY
RESET
DEAD
SW
EO
EI
SPRT
CT
N.C.
Op-
VSYS1
OPOUT
Op+
VSYS2
VREF
IN3
IN4
MUTE34
IN2
MUTE2
IN1
BRAKE1
OUT4R
OUT4F
OUT3R
OUT3F
POWGND
OUT2F
OUT2R
OUT1F
OUT1R
RCHG
AMUTE
EMP
HVCC
PSW
CLK
START
OFF
CHGVCC
SEL
PREGND
PWMFIL
Function
Battery voltage monitor
Battery power supply input
Reset detection output
Dead-time setting
Booster transistor drive
Error amplifier output
Error amplifier input
Short-circuit protection setting
Triangular wave output
Operational amplifier negative input
Control circuit power supply input
Operational amplifier output
Operational amplifier positive input
Pre-driver power supply input
Reference power supply input
CH3 control signal input
CH4 control signal input
CH3/CH4 mute
CH2 control signal input
CH2 mute
CH1 control signal input
CH1 brake
CH4 negative output
CH4 positive output
CH3 negative output
CH3 positive output
Power block power supply ground
CH2 positive output
CH2 negative output
CH1 positive output
CH1 negative output
Charging current setting
Reset inversion output
“Empty” detection output
H-bridge power supply input
PWM transistor drive
External clock synchronization input
Boost DC/DC converter starting
Boost DC/DC converter OFF
Charging circuit power supply input
“Empty” detection level switching
Pre section power supply ground
PWM phase compensation
10F-1, No.55, Tung Kuang Road, Hsinchu, Taiwan, R.O.C.
Tel: 886-3-575-3058
Fax: 886-3-575-3015
2
Email: service@aimtron.com.tw
http://www.aimtron.com.tw
01/08/05


Features Datasheet pdf AT5801 Preliminary 4-Channel driver + P ower Controller Features ˙4 channels o f H-bridge drivers. ˙Built-in DC/DC co nverter control circuit. ˙Built-in res et circuit. ˙Built-in reduced voltage detection circuit. ˙Built-in battery c harging circuit. ˙Built-in general pur pose operation amplifier. ˙Built-in th ermal shutdown circuit. ˙Low power con sumption. ˙QFP44 package. Description The AT5801 is a 4-channel driver and p ower controller that includes the reset , battery charge and reduced voltage de tection circuits required for portable CD players on a single chip. The driver block power supply uses the on-chip sw itching regulator, making this componen t an ideal choice for low-power sets. Applications Portable compact disk play ers (CDP) Portable Mini disk player (MD ) Disk-man Other portable compact disk media Block Diagram 10F-1, No.55, Tun g Kuang Road, Hsinchu, Taiwan, R.O.C. T el: 886-3-575-3058 Fax: 886-3-575-3015 1 Email: service@aimtron.com.tw http://www.aimtron.com.tw 01/08/05 AT5.
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