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TDF8599A Datasheet

Class-D Power Amplifier

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TDF8599A
I2C-bus controlled dual channel 135 W/4 , single channel
250 W/2 class-D power amplifier with load diagnostics
Rev. 3 — 2 May 2013
Product data sheet
1. General description
The TDF8599A is a dual Bridge-Tied Load (BTL) car audio amplifier comprising an
NDMOST-NDMOST output stage based on SOI BCDMOS technology. Low power
dissipation enables the TDF8599A high-efficiency, class-D amplifier to be used with a
smaller heat sink than those normally used with standard class-AB amplifiers.
The TDF8599A can operate in either non-I2C-bus mode or I2C-bus mode. When in
I2C-bus mode, DC load detection results and fault conditions can be easily read back from
the device. Up to 15 I2C-bus addresses can be selected depending on the value of the
external resistor connected to pins ADS and MOD.
When pin ADS is short circuited to ground, the TDF8599A operates in non-I2C-bus mode.
Switching between Operating mode and Mute mode in non-I2C-bus mode is only possible
using pins EN and SEL_MUTE.
2. Features and benefits
High-efficiency
Low quiescent current
Operating voltage from 8 V to 35 V
Two 4 /2 capable BTL channels or one 1 capable BTL channel
Differential inputs
I2C-bus mode with 15 I2C-bus addresses or non-I2C-bus mode operation
Clip detect
Independent short circuit protection for each channel
Advanced short circuit protection for load, GND and supply
Load dump protection
Thermal foldback and thermal protection
DC offset protection
Selectable AD or BD modulation
Parallel channel mode for high current drive capability
Advanced clocking:
Switchable oscillator clock source: internal for Master mode or external for Slave
mode
Spread spectrum mode
Phase staggering
Frequency hopping
No ‘pop noise’ caused by DC output offset voltage


NXP Semiconductors Electronic Components Datasheet

TDF8599A Datasheet

Class-D Power Amplifier

No Preview Available !

NXP Semiconductors
TDF8599A
I2C-bus controlled dual channel class-D power amplifier
I2C-bus mode:
DC load detection
AC load detection
Thermal pre-warning diagnostic level setting
Identification of activated protections or warnings
Selectable diagnostic information available using pins DIAG and CLIP
Qualified in accordance with AEC-Q100
3. Applications
Car audio
4. Quick reference data
Table 1. Quick reference data
VP = 14.4 V unless otherwise stated.
Symbol Parameter
VP
IP
Iq(tot)
supply voltage
supply current
total quiescent current
Po output power
Conditions
off state; Tj 85 C; VP = 14.4 V
Operating mode; no load, snubbers and
filter connected
Stereo mode:
VP = 14.4 V; THD = 1 %; RL = 4
VP = 14.4 V; THD = 10 %; RL = 4
square wave (EIAJ); RL = 4
VP = 35 V; THD = 10 %; RL = 4
VP = 14.4 V; THD = 1 %; RL = 2
VP = 14.4 V; THD = 10 %; RL = 2
square wave (EIAJ); RL = 2
Parallel mode:
VP = 14.4 V; THD = 10 %; RL = 2
VP = 35 V; THD = 10 %; RL = 2
VP = 25 V; THD = 1 %; RL = 1
[1] In this data sheet supply voltage VP describes VP1, VP2 and VPA.
[2] Output power is measured indirectly based on RDSon measurement.
5. Ordering information
Min
[1] 8
-
-
Typ Max Unit
14.4 35
V
2 10 A
90 120 mA
[2]
18
23
-
-
26
34
-
[2]
20 -
25 -
40 -
135 -
29 -
38 -
60 -
- 50 -
- 250 -
135 150 -
W
W
W
W
W
W
W
W
W
W
Table 2. Ordering information
Type number
Package
Name
Description
TDF8599ATH
HSOP36 plastic, heatsink small outline package; 36 leads; low stand-off height
Version
SOT851-2
TDF8599A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 2 May 2013
© NXP B.V. 2013. All rights reserved.
2 of 55


Part Number TDF8599A
Description Class-D Power Amplifier
Maker NXP Semiconductors
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TDF8599A Datasheet PDF






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