TDF8599CTH

I2C-bus controlled stereo class-D amplifier (136 W / 8 Ohm) with full diagnostics


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The TDF8599C 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 TDF8599C high-efficiency, class-D amplifier to be used with a smaller heat sink than those normally used with standard class-AB amplifiers.

The TDF8599C 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 resistors connected to pins ADS and MOD.

When pin ADS is short circuited to ground, the TDF8599C 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.

Features and benefits

  • High-efficiency
  • Low quiescent current
  • Operating voltage from 8 V to 48 V
  • Two 8 Ω/6 Ω capable BTL channels or one 4 Ω/3 Ω capable BTL channel
  • Differential inputs
  • Fast-mode I²C-bus
  • 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
  • Advanced clocking:
    • Switchable oscillator clock source: internal for Master mode or external for Slave mode
    • PLL mode to synchronize with external oscillator
    • Spread spectrum mode
    • Phase staggering
    • Frequency hopping
  • No ‘pop noise’ caused by DC output offset voltage
  • I²C-bus mode:

    • Load diagnostics

      Speaker load, open load and shorted load

      Amplifier output to ground and to supply shorts

      Tweeter detection

    • Thermal pre-warning diagnostic level setting
    • Identification of activated protections or warnings
    • Selectable diagnostic information available using pins DIAG and CLIP
    • Selectable gain 32 dB/26 dB (32 dB in non-I²C-bus mode)
  • Qualified in accordance with AEC-Q100

Applications

  • Car audio
  • Audio entertainment systems
All information on this product information page is subject to the subsequent disclaimers:
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Parametric search

Parametrics of this product

Type numberPackage
TDF8599CTHSOT851-2
(HSOP36)

Package

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarking
TDF8599CTH/N1TDF8599CTH/N1,1129352 908 89112Volume productionSOT851-2
(HSOP36) 		TubeStandard Marking
TDF8599CTH/N1TDF8599CTH/N1,1189352 908 89118Volume productionSOT851-2
(HSOP36) 		Reel Pack, SMD, 13"Standard Marking

Outline drawing

Package VersionPackage NamePackage DescriptionReference CodesIssue Date
SOT851-2HSOP36plastic, heatsink small outline package; 36 leads; low stand-off height2004-05-04

Related documents

Reflow soldering

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
TDF8599CTH/N1TDF8599CTH/N1,112TDF8599CTH/N111
TDF8599CTH/N1TDF8599CTH/N1,118TDF8599CTH/N111
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Ordering & availability

Type numberOrdering code (12NC)Orderable part numberRegionDistributorIn stockOrder quantityInventory dateBuy onlineSamples
TDF8599CTH/N19352 908 89112TDF8599CTH/N1,112      not available
TDF8599CTH/N19352 908 89118TDF8599CTH/N1,118NADIGI-KEY CORPORATION9965/17/2013Buy online 
   ASIAWPI4050005/17/2013Buy online 
   NAFUTURE ELECTRONICS135/16/2013Buy online 
   EUFUTURE ELECTRONICS UK135/16/2013Buy online 
   ASIAFUTURE ELECTRONICS- ASIA135/16/2013Buy online 

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