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TDF8599B Datasheet

single channel 85 W/1 W class-D power amplifier

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TDF8599B
I2C-bus controlled dual channel 43 W/4 , single channel
85 W/1 class-D power amplifier with load diagnostics
Rev. 01 — 29 July 2009
Product data sheet
1. General description
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The TDF8599B 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 TDF8599B high-efficiency, class-D amplifier to be used with a
smaller heat sink than those normally used with standard class-AB amplifiers.
The TDF8599B 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 TDF8599B 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
I High-efficiency
I Low quiescent current
I Operating voltage from 8 V to 24 V
I Two 4 /2 capable BTL channels or one 1 capable BTL channel
I Differential inputs
I I2C-bus mode with 15 I2C-bus addresses or non-I2C-bus mode operation
I Clip detect
I Independent short circuit protection for each channel
I Advanced short circuit protection for load, GND and supply
I Load dump protection
I Thermal foldback and thermal protection
I DC offset protection
I Selectable AD or BD modulation
I Parallel channel mode for high current drive capability
I Advanced clocking:
N Switchable oscillator clock source: internal for Master mode or external for Slave
mode
N Spread spectrum mode
N Phase staggering
N Frequency hopping
I No ‘pop noise’ caused by DC output offset voltage


NXP Semiconductors Electronic Components Datasheet

TDF8599B Datasheet

single channel 85 W/1 W class-D power amplifier

No Preview Available !

NXP Semiconductors
TDF8599B
I2C-bus controlled dual channel class-D power amplifier
I I2C-bus mode:
N DC load detection
N AC load detection
N Thermal pre-warning diagnostic level setting
N Identification of activated protections or warnings
N Selectable diagnostic information available using pins DIAG and CLIP
I Qualified in accordance with AEC-Q100
3. Applications
I Car audio
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4. Quick reference data
Table 1. Quick reference data
VP = 14.4 V unless otherwise stated.
Symbol Parameter
VP supply voltage
IP supply current
Iq(tot)
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 = 24 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 = 1
VP = 24 V; THD = 10 %; RL = 2
VP = 24 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 24
V
2 10 µA
90 120 mA
[2]
18 20 -
24 26 -
- 40 -
- 70 -
29 32 -
39 43 -
- 70 -
[2]
- 85 -
- 138 -
135 150 -
W
W
W
W
W
W
W
W
W
W
Table 2. Ordering information
Type number
Package
Name
Description
TDF8599BTH
HSOP36 plastic, heatsink small outline package; 36 leads; low stand-off height
Version
SOT851-2
TDF8599B_1
Product data sheet
Rev. 01 — 29 July 2009
© NXP B.V. 2009. All rights reserved.
2 of 54


Part Number TDF8599B
Description single channel 85 W/1 W class-D power amplifier
Maker NXP Semiconductors
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TDF8599B Datasheet PDF






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