TB2929AHQ Datasheet PDF - Toshiba
Part Number | TB2929AHQ | |
Description | Maximum Power 47W BTL x 4-ch Audio Power IC | |
Manufacturers | Toshiba | |
Logo | ||
There is a preview and TB2929AHQ download ( pdf file ) link at the bottom of this page. Total 24 Pages |
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TB2929AHQ(Tentative)
Maximum Power 47W BTL × 4-ch Audio Power IC
TB2929AHQ
1. Description
The TB2929AHQ is a four-channel BTL power amplifier for car
audio applications.
This IC has a pure complementary P-ch and N-ch DMOS output
stage, offering maximum output power (POUT MAX) of 47W.
It includes a standby switch, mute function and various
protection features.
2. Applications
Power IC developed for car audio applications.
Weight: 7.7 g (typ.)
3. Features
• High output power, low distortion, and low noise property (for details, refer to the Table 3 1)
• Build-in AUX-IN (pin25)
• Built-in various mute functions (low voltage, standby on/off)
• Built-in standby switch (pin4)
• Built-in mute switch (pin22)
• Built-in various protection circuits (thermal shut down, over-voltage, short to GND, short to VCC, and output to
output short)
Table3 typical Characteristics
(Note1)
Output power (POUT)
VCC = 15.2 V, JEITA max
47
VCC = 14.4 V, JEITA max
42
VCC = 14.4 V, THD = 10%
27
THD = 10%
23
W
Total harmonic distortion (THD)
POUT = 5 W
0.005 %
Output noise voltage (VNO) (Rg = 0 Ω),
BW = 20 Hz to 20 kHz
50 µV
Operating Supply voltage range (VCC)
RL = 4 Ω
6 18 V
Note1: Typical test conditions: VCC = 13.2 V, f = 1 kHz, RL = 4 Ω, GV = 26 dB, Ta = 25°C; unless otherwise specified.
Note2: Rg: signal source resistance
1 2011-05-31
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6. Detailed Description
TB2929AHQ
Component
Name
Recomm
ended
Value
C1 0.22 µF
Pin
INx(x:1~4)
C2
10 µF
Ripple
C3
0.1 µF
VCC1, VCC2
Purpose
To eliminate DC
To reduce ripple
To provide sufficient
oscillation margin
C4
1uF
Mute
To reduce pop noise
C5 3900 µF VCC1, VCC2
Ripple filter
C6
1 µF AC-GND
Common reference
voltage for all input
C7
0.22µF
AUX-IN To eliminate DC
R1 47k
Mute
To reduce pop noise
Effect (Note4)
Lower than Recommended Value Higher than Recommended Value
Cut-off frequency becomes higher
Turn on/off time and turn-on diag.
cycle shorter
Cut-off frequency becomes lower
Turn on/off time and turn-on diag.
cycle longer
Reduces noise and provides sufficient oscillation margin
High pop noise. Duration until
mute function is turned on/off is
short.
Low pop noise. Duration until mute
function is turned on/off is long.
Power supply ripple filtering
Pop noise is suppressed when C1: C4 = 1:4. (Note5)
Cut-off frequency is increased in
AUX
High pop noise. Duration until
mute function is turned on/off is
short.
Cut-off frequency is reduced in
AUX.
Low pop noise. Duration until mute
function is turned on/off is long.
Note4: When the unrecommended value is used, please examine it enough by system evaluation.
Note5: Since “AC-GND” pin is a common reference voltage for all input, this product needs to set the ratio of an
input apacitance (C1) and the AC-GND capacitance (C4) to 1:4.
5 2011-05-31
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for TB2929AHQ electronic component. |
Information | Total 24 Pages | |
Link URL | [ Copy URL to Clipboard ] | |
Product Image and Detail view | 1. x 4-ch Audio Power IC [ Learn More ] | |
Download | [ TB2929AHQ.PDF Datasheet ] |
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