cs4412a Cirrus Logic, Inc., cs4412a Datasheet - Page 4

• Manufacturer Part Number: cs4412a
• Description: 30w Quad Half-bridge Digital Amplifier Power Stage
• Manufacturer: Cirrus Logic, Inc.

4
RAMP_CAP
GND
VP
PGND
OUT4
OUT3
OUT2
OUT1
TWR
ERRUVTE
ERROC12
ERROC34
RAMP
Thermal Pad
Pin Name
Pin #
10,13
14,15
16,17
18,19
20,47
25,30
31,36
22,23
27,28
33,34
37,38
39,40
24
48
26
29
32
35
41
42
43
44
45
-
Output Ramp Capacitor (Input) - Used by the PWM PopGuard Transient Control to suppress the
initial pop in half-bridge-configured outputs.
Ground (Input) - Ground for the internal logic and I/O. These pins should be connected to the
common system ground.
High Voltage Output Power (Input) - High voltage power supply for the individual output power
half-bridge devices.
Power Ground (Input) - Ground for the individual output power half-bridge devices. These pins
should be connected to the common system ground.
PWM Output (Output) - Amplified PWM power outputs.
Thermal Warning Output (Output) - Thermal warning output. Open drain, active low. See
“Device Protection and Error Reporting” on page
Thermal and Under-voltage Error Output (Output) - Error flag for thermal shutdown and under-
voltage. Open drain, active low. See
Over-current Error Output (Output) - Over-current error flag for the associated outputs. Open
drain, active low. See
Ramp-up/down Select (Input) - Set high to enable ramping. When set low, ramping is disabled.
See
Thermal Pad - Thermal relief pad for optimized heat dissipation. See
page 20
“PWM Popguard Transient Control” on page
for more information.
“Device Protection and Error Reporting” on page
“Device Protection and Error Reporting” on page 19
Pin Description
19.
13.
“QFN Thermal Pad” on
19.
CS4412A
DS786A2