STPA008-4WX datasheet, PDF - EEWORLD Datasheet

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STPA008-4WX: DescriptionIC PWR AMP BTL 25FLEXIWATT; Categorysemiconductor Analog mixed-signal IC; File Size547KB，29 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/; Environmental Compliance

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STPA008-4WX Overview

IC PWR AMP BTL 25FLEXIWATT

STPA008-4WX Parametric

Parameter Name	Attribute value
type	Class AB
Output type	4-channel (four-way)
Maximum output power at different loads x number of channels	50W x 4 @ 4 ohms
Voltage - Power	-
characteristic	Short circuit and thermal protection
Operating temperature	-

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STPA008

4 x 50 W MOSFET quad bridge power amplifier

Datasheet

production data

– Overrating chip temperature with soft

thermal limiter

– Output DC offset detection

– Load dump

– Fortuitous open GND

– Reversed battery

– ESD



Qualification in accordance to AEC Q100

standard

Description

Features



High output power capability:

– 4 x 50 W/4

Max.

– 4 x 28 W/4

@ 14.4 V, 1 kHz, 10 %

– 4 x 72 W/2

Max.



MOSFET output power stage



driving capability



Capable to operate down to 6 V (suitable for

start-stop car operation)



Excellent GSM noise immunity



Hi-Fi class distortion



Low output noise



High immunity to RF noise injection



Standby function



Mute function



Automute at min. supply voltage detection



Low external component count



Internally fixed gain (26 dB)



Protections:

– Output short circuit to GND, to V

, across

the load

– Very inductive loads

STPA008-QIX

STPA008-48X

STPA008 is a breakthrough MOSFET technology

class AB audio power amplifier designed for high

power car radio. The fully complementary

P-Channel/N-Channel output structure allows a

rail to rail output voltage swing which, combined

with high output current and minimized saturation

losses sets new power references in the car-radio

field, with unparalleled distortion performances.

STPA008 can operate down to 6V and this makes

the IC compliant to the most recent OEM

specifications for low voltage operation (so called

'start-stop' battery profile during engine stop),

helping car manufacturers to reduce the overall

emissions and thus contributing to environment

protection.

Table 1. Device summary

Order code

STPA008-4WX

Package

Flexiwatt25

(vertical)

Flexiwatt25

(horizontal)

Flexiwatt27

Packing

Tube

July 2015

This is information on a product in full production.

DocID027887 Rev 2

1/29

www.st.com

Contents

STPA008

Contents

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.1

Block diagram and application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.1

2.2

Pin connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Pin functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.1

3.2

3.3

3.4

Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Electrical characteristics curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

4.1

4.2

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Battery variations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

4.2.1

4.2.2

4.2.3

Low voltage operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Cranks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Advanced battery management (hybrid vehicles) . . . . . . . . . . . . . . . . . 18

Short circuits and open load operation . . . . . . . . . . . . . . . . . . . . . . . . . 19

Over-voltage and load dump protection . . . . . . . . . . . . . . . . . . . . . . . . . 19

Thermal protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

DC offset detection (OD pin) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Clipping detection and diagnostics (CD-DIAG pin) . . . . . . . . . . . . . . . . 20

4.3

Protections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

4.3.1

4.3.2

4.3.3

4.4

Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

4.4.1

4.4.2

4.5

Heat sink definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

5.1

5.2

5.3

Flexiwatt 27 (vertical) package information . . . . . . . . . . . . . . . . . . . . . . . 22

Flexiwatt 25 (vertical) package information . . . . . . . . . . . . . . . . . . . . . . . 24

Flexiwatt 25 (horizontal) package information . . . . . . . . . . . . . . . . . . . . . 26

2/29

DocID027887 Rev 2

STPA008

List of figures

Figure 1.

Figure 2.

Figure 3.

Figure 4.

Figure 5.

Figure 6.

Figure 7.

Figure 8.

Figure 9.

Figure 10.

Figure 11.

Figure 12.

Figure 13.

Figure 14.

Figure 15.

Figure 16.

Figure 17.

Figure 18.

Figure 19.

Figure 20.

Figure 21.

Figure 22.

Figure 23.

Figure 24.

Figure 25.

Figure 26.

Figure 27.

Figure 28.

Figure 29.

Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Application circuit (STPA008-4WX) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Application circuit (STPA008-48X) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Pin connection (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Quiescent current vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Output power vs. supply voltage (4

Ω)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Output power vs. supply voltage (2

Ω)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Distortion vs. output power (4

Ω)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Distortion vs. output power (2

Ω)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Distortion vs. frequency (4

Ω)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Distortion vs. frequency (2

Ω)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Distortion vs. output power (4

Ω,

= 6 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Distortion vs. output power (2

Ω,

= 6 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Supply voltage rejection vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Crosstalk vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Total power dissipation & efficiency vs. P

Ω,

Sine) . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Power dissipation vs. average Output Power (4

Ω,

audio program simulation) . . . . . . . . . 15

Power dissipation vs. average Output Power (2

Ω,

audio program simulation) . . . . . . . . . 15

ITU R-ARM frequency response, weighting filter for transient pop. . . . . . . . . . . . . . . . . . . 15

SVR charge diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Battery cranking curve example 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Battery cranking curve example 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Upwards fast battery transitions diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Load dump protection diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Thermal protection diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Audio section waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Flexiwatt 27 (vertical) package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Flexiwatt 25 (vertical) package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Flexiwatt 25 (horizontal) package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

DocID027887 Rev 2

5/29

STPA008-4WX Related Products

	STPA008-4WX	STPA008-QIX	STPA008-48X
Description	IC PWR AMP BTL 25FLEXIWATT	Audio Amplifiers Low voltage operation, high sound quality BTL output power amplifier with excellent GSM noise immunity, clip and offset detection	IC PWR AMP BTL 27FLEXIWATT
type	Class AB	-	Class AB
Output type	4-channel (four-way)	-	4-channel (four-way)
Maximum output power at different loads x number of channels	50W x 4 @ 4 ohms	-	50W x 4 @ 4 ohms
characteristic	Short circuit and thermal protection	-	Short circuit and thermal protection

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