tb2959hq TOSHIBA Semiconductor CORPORATION, tb2959hq Datasheet
tb2959hq
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tb2959hq Summary of contents
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... TB2959HQ Maximum Power 47W BTL 4-ch Audio Power IC 1. Description The TB2959HQ 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 (P It includes a standby switch, mute function and various protection features ...
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... Block Diagram Note3: Some of the functional blocks, circuits or constants may be omitted from the block diagram or simplified for explanatory purposes.In the following explanation, a "channel" circuit which consists of INx, OUTx (+), OUTx (-), and PW-GNDx. (x TB2959HQ 2011-11-08 ...
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... Pin Configuration (top view) AUX-IN PW-GND4 OUT4(－) Mute OUT4(＋) Vcc１ OUT3(－) PW-GND3 OUT3(＋) AC-GND IN3 IN4 Pre－GND IN2 IN1 Ripple OUT１(＋) PW-GND1 OUT1(－) Vcc2 OUT2(＋) Stby OUT2(－) PW-GND2 TAB 3 TB2959HQ 2011-11-08 ...
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... Ground for Front Right output ― OUT Front Right output- V -IN Supply voltage 1 CC OUT Rear Right output Mute voltage input mute OUT Rear Right output- Ground for Rear Right output ― IN_Beep BEEP sound or voice synthesizer signal input 4 TB2959HQ 2011-11-08 ...
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... To eliminate DC AUX High pop noise. Duration until To reduce pop noise mute function is turned on/off is short. 5 TB2959HQ Effect (Note4) Higher than Recommended Value Cut-off frequency becomes lower Turn on/off time and turn-on diag. cycle longer Low pop noise. Duration until mute function is turned on/off is long. ...
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... Figure1 Setting Pin 4 High Turns on Relay V CC – Conventional Method – From microcontroller Battery Standby V CC – Using the Standby Switch – Figure 2 Standby Switch 6 TB2959HQ 10 k k to Bias 60 k 3 k Power Battery From microcontroller Battery 2011-11-08 ...
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... For example, when the control voltage is changed from 3.3 V, the pull-up resistor should be: 3.3 V/5 V 47 k 31 k Figure 3 Mute Function 1 k Mute On/Off 100 control 120 Figure 4 Mute Attenuation TB2959HQ and C determine the time constant of the 1 4 ATT – V MUTE 20 0 20 40 60 ...
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... A mute operation starts automatically inside the IC after standby-low until the Ripple pin voltage becomes about 1/2 Vcc-0.7V. Standby Off Standby “Hi” Ripple pin Voltage 1/2Vcc 1/2Vcc-0.7V Standby off Operation period of Standby mute Mute Off Figure5 Standby Off Mute 8 TB2959HQ Ripple pin voltage t 2011-11-08 ...
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... Therefore, the -COM can directly drive the AUX amplifier. BEEP sound or voice synthesizer signal can be input to pin 25 directly. When AUX function is not used, this pin must be connected to PRE-GND (pin 13) via a capacitor. AUX-IN microcomputer 20dB －20dB IN OUT () OUT () AUX AMP 25 -20dB Figure6 AUX-Input 9 TB2959HQ 2011-11-08 ...
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... A DC current of over applied to the speaker due to an external circuit failure (Note 6). (Abnormal DC output offset) The speaker impedance becomes 1 or less due to a layer short. A current of over 4 A flows into the speaker, damaging the speaker. pin. If voltage falls, it will CC 10 TB2959HQ , out to CC 2011-11-08 ...
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... Note 6: An abnormal DC offset voltage is incurred when the input bias to the power IC is lost due to a leakage current from a coupling capacitor at the input or a short-circuit between the IN and adjacent lines. The short-circuit protection is activated Speaker Impedance About 1 4 11 TB2959HQ 2011-11-08 ...
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... R = 4.5C/W th(j-t) th(HS) (3) No heat sink 39C/W th(j-a) ( (2) ( 100 Ambient Temperature Ta (°C) Symbol Condition Min Typ =4Ω TB2959HQ Unit 125 W °C °C = 3.5C/W) 125 150 Max Unit 18 V ― 2011-11-08 ...
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... V L MUTE: ON MUTE: ON, DIN_AUDIO ATT M 7.75 Vrms Mute: OFF V OUT 26dB, 3dB down TB2959HQ =26dB 25°C unless otherwise specified) V Min Typ. 160 47 42 0.005 25 26 1.0 0 ...
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... Test Circuit Components in the test circuits are only used to obtain and confirm the device characteristics. 14 TB2959HQ 2011-11-08 ...
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... Filter 0.5 0.3 0.1 0.05 0.03 0.01 0.005 0.003 0.001 100 0.1 (W) 15 TB2959HQ THD – P (ch2) OUT 100 kHz 1 kHz : 400 kHz 10 kHz : 400 kHz : 400 kHz 10 kHz 100 kHz 0.3 0 Output power P (W) OUT THD – ...
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... 26dB 13 kHz 30 Filter 400 kHz 0.5 0.3 16.0 V 0.1 0.05 0.03 0.01 0.005 0.003 0.001 30 50 100 0.1 0.3 16 TB2959HQ THD – P (ch2) OUT 13 6.0 V 16 100 Output power P (W) OUT THD – P (ch4) OUT 13 6.0 V 16 ...
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... 13 OUT = 5 W Filter nothing 0.3 0 0.03 13 0.01 0.003 0.001 0.01 0 Frequency f (kHz 13 20 V OUT = 7.75 Vrms (20dBm) 40 60 80 100 120 10 100 0.01 17 TB2959HQ 100 ATT – f MUTE 1ch~4ch 0 100 Frequency f (kHz) 2011-11-08 ...
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... 13 kHz 20 V OUT = 0.775 Vrms (0dBm 620 40 4ch 60 1ch 80 100 100 0.01 0.1 18 TB2959HQ C.T. – f (ch2) 1ch 4ch 3ch 1 10 100 Frequency f (kHz) C.T. – f (ch4) 2ch 3ch 1 10 100 Frequency f (kHz) 2011-11-08 ...
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... OUT kHz 4ch drive 6 (W) Output power OUT 19 TB2959HQ P (ch2) – V OUT IN 100 Hz 1 kHz kHz 10 kHz 13 Filter nothing Input voltage V (V) IN (rms) P (ch4) – V ...
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... 13 kHz Filter to 20 kHz 100 1ch~4ch 100 1 k Signal source resistance R 250 200 150 100 100 k 0 ( TB2959HQ I – V CCQ Supply voltage V (V) CC 2011-11-08 ...
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... R-type flux (2) Use of Sn-3.0Ag-0.5Cu solder Bath solder bath temperature = 245°C dipping time = 5 seconds the number of time = once use of R-type flux 21 TB2959HQ 2011-11-08 ...
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... Note: This board can be shared with some products. Please confirm external parts of the evaluated product beforehand when you unite the evaluation board. Component side Figure 18-1 Pattern of Evaluation Board (component side) Solder side Figure 18-2 Pattern of Evaluation Board (solder side) 22 TB2959HQ 2011-11-08 ...
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... In addition, depending on the IC, the use of silicon rubber may be prohibited. Check whether the use of silicon rubber is prohibited for the IC you intend to use, or not. For details of power IC heat radiation design and heat sink installation, refer to individual technical datasheets or IC databooks. 23 TB2959HQ 2011-11-08 ...
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... Please contact your TOSHIBA sales representative for details as to environmental matters such as the RoHS compatibility of Product. Please use Product in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances, including without limitation, the EU RoHS Directive. TOSHIBA assumes no liability for damages or losses occurring as a result of noncompliance with applicable laws and regulations. 24 TB2959HQ 2011-11-08 ...