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功率放大器IC

我們一直致力於實現4通道功率放大器積體電路零缺陷的目標。東芝公司將其獨具特色的高可靠性和高電壓設計技術運用到嚴格的產品品質控制當中。而且,東芝公司一直在不斷完善4通道功率放大器積體電路,以降低噪音、增強高頻性能,從而提高音質。我們的產品組合中最新版本是一款環保的、具有自我診斷功能的、KB類放大器。東芝公司也提供獨一無二的產品,這些產品的特點是導通電阻低、使用新BiCD工藝製造、採用新封裝等等。

概念

產品陣容

4-channel Audio Power Amplifier IC (Recommended Products)
Process Part Number Max Power Class Voltage Gain I2C Bus Output DC Offset Det.
Clip Det. Short-Circuit Det. High-Side Switch Half Short Det. Speaker Burning Pre.
Load
GSM 6V Crui-sing

Package

Status
VCC = 15.2 V VCC = 14.4 V
BiCD0.13
μm
TB2952AHQ 49W 45W AB 26dB/
12dB
HZIP25 MP
TB2975HQ 49W 45W KB 26dB/
16dB
HZIP25
CD0.13μm TCB001HQ 45W  40W  AB 26dB   HZIP25
TCB001FNG HSOP36
TCB501HQ 49W 44W AB 26dB * HZIP25
TCB502HQ 49W 44W AB 26dB * HZIP25
TCB503HQ 49W 44W AB 26dB HZIP25
TCB701FNG 49W 45W TB 26dB/
16dB
* HSOP36
TCB702FNG 45W 40W TB 26dB/
16dB
* HSOP36

*Full time output DC offset detection(TOSHIBA Patent)

1-channel Audio Power Amplifier IC
Process Part Number Max Output Class Voltage Gain Thermal Det. Speaker-Open Det. Short-Circuit Det. Over-Voltage Det. Comment Package Status
VCC = 16 V VCC = 12 V
BiCD0.13μm TB2909FNG 5W 3W AB

26dB

(variable)

Vehicle Sound for Pedestrian TSSOP16 MP

Features

4-channel audio power amplifier IC concept

CD 0.13μm Process

Higher toughness process for +B Surge

Higher Toughness for Immunity Noise

Easy to design for EMI/EMC/BCI etc

Full-time output DC offset detection (TOSHIBA Patent)

The IC can perform full-time DC offset voltage detection at speaker terminals. It is possible to realize a system that prevents the speaker voice coil burning caused by the occurrence of DC offset voltage.

Small flat package
New Linear High-efficiency AMP “Class-TB”

Temperature reduced approx. 20-40 degrees C compared with other AMPs.

6V cruising design
Diagnosis function

Temperature data of Class-AB/TB AMP

Temperature data of Class-AB/TB AMP

Temperature data of Class-AB/TB AMP

Toshiba’s original linear high-efficiency amplifier: Class-TB achieves efficiency TCB701FNG(50 W)/702FNG (45 W)

High efficiency (TOSHIBA Patent)

Power dissipation comparison

  • vs Conventional Class-AB AMP >>> -80% reduction
  • vs Digital Class-D AMP >>> Closer under Pout <4 W
Low BOM costs

Reasonable external parts

  • vs Conventional Class-AB AMP >>> Same 
  • vs Digital Class-D AMP >>> Less than half 
Full-time output DC offset detection (TOSHIBA Patent)
  • The IC can perform full-time DC offset voltage detection at speaker terminals. It is possible to realize a system that prevents the speaker voice coil burning caused by the occurrence of DC offset voltage.

Power Dissipation at Pout=0.8W/channel

Toshiba’s original linear high-efficiency amplifier: Class-TB achieves efficiency TCB701FNG(50 W)/702FNG (45 W)

這是KB級和AB級放大器二氧化碳每年排量的對比列表。

計算條件
  • 放大器的使用時間:每年365天,每天4小時
  • 放大器的音頻輸出功率: 2 W
使用壽命評估(LCA)計算條件
  • 汽油到放大器的總能量轉換效率: 18.9%
  • 汽油到電源的轉換係數: 0.104升/千瓦時

產品介紹

4-channel High-Efficiency Linear Power Amplifier for Car Audio: TCB701FNG 更多

TCB701FNG

Toshiba Electronic Devices & Storage Corporation announced a new 4-channel high-efficiency linear power amplifier "TCB701FNG," that meets current market requirement for high efficiency.  

With "TCB701FNG," the company has improved on its technology to realize efficiency comparable with a digital high efficiency, class D amplifier in actual operating range (0.5 to 4W). Power consumption is cut by up to 80% of that for a typical class AB amplifier.
 

The new amplifier also includes a self-diagnosis function with I2C bus control that can diagnose errors and contribute to a suitable set design by changing the detection setting for gain or time constants. It also includes full-time error detection of output DC offset voltage, which can quickly detect abnormal output offset voltage and prevent speaker burnout, improving set reliability.

  • Maximum output: 49W×4ch (Vcc=15.2V,RL=4Ω, MaxPower)
  • Output noise voltage: 60μVrms (BW=DIN_AUDIO)
  • Supply voltage: 6V to 18V
  • Package: P-HSSOP36-1116-0.65-001
  • Functions and features:
    • 6V operations
    • Full-time error detection for output DC offset voltage
    • Anti-high frequency noise
    • I2C bus control allows diagnosis of errors such as cross output connection.
    • Various detections are selectable from two or more settings, such as a gain, mute time constants and temperature.
    • Can be used as both a power amplifier and line output amplifier.
    • Various built-in protection circuits (output cross connection, over voltage, and low voltage)

4-channel High-Efficiency Linear Power Amplifier for Car Audios Featuring Maximum 45W Output: TCB702FNG 更多

TCB702FNG

Toshiba Electronic Devices & Storage Corporation announced the launch of "TCB702FNG," an addition to its 4-channel high-efficiency linear power amplifiers that meet current market requirements for high efficiency.  

With "TCB702FNG," Toshiba has improved on its technology to realize efficiency comparable with a digital high efficiency of class D amplifier in actual operating range (0.5 to 4W). Power consumption is cut by up to 80% of that for a typical class AB amplifier. The new IC’s maximum output is 45W, and the IC is pin-compatible with “TCB701FNG,” the company’s high efficiency linear power amplifier with maximum 50W output.

The new amplifier also includes a self-diagnosis function with I2C bus control that can diagnose errors and contribute to a suitable set design by changing the detection setting for gain or time constants. It also includes full-time error detection of output DC offset voltage, which can quickly detect abnormal output offset voltage and prevent speaker burnout, improving set reliability.

  • Maximum output: 45W×4ch (Vcc=15.2V,RL=4Ω, MaxPower)
  • Output noise voltage: 60μVrms (BW=DIN_AUDIO)
  • Supply voltage: 6V to 18V
  • Package: P-HSSOP36-1116-0.65-001
  • Functions and features:
    • 6V operations
    • Full-time error detection for output DC offset voltage
    • I2C bus control allows diagnosis of errors such as cross output connection.
    • Various detections are selectable from two or more settings, such as a gain, mute time constants and temperature
    • Can be used as both a power amplifier and line output amplifier.
    • Various built-in protection circuits (output cross connection, over voltage, and low voltage)

Power Amplifier for Car Audio with Strong Resistance to Power Surges: TCB503HQ 更多

TCB503HQ

Toshiba Electronic Devices & Storage Corporation has launched a new 4-channel power amplifier for car audio, "TCB503HQ” that delivers strong resistance to power surges.  

Building on Toshiba’s proven development capabilities in ICs for car audio, the new product achieves a higher reliability with an analog fine process resistant to power surges. It also supports 6V operations suitable for vehicles equipped with idling reduction systems, which have become popular in recent years. This feature suppresses popping sounds that occur when power voltage fluctuates.

Other features include a built-in filter to improve resistance to extraneous high-frequency noise, and to prevent generation of abnormal noise even when there is high-frequency noise from mobile phone radio waves and adjustment of door mirrors.

Using the clip detection signal to control the volume and tone control circuit, the sound quality of the set can be improved.

  • Maximum output: 50Wx4ch (Vcc=15.2V,RL=4Ω, JEITA max)
  • Output noise voltage: 45μV (BW=A-weight)
  • Supply voltage: 6V to 18V
  • Package: HZIP25-P-1.00F
  • Functions and features:
    • High output power and low distortion
    • Built-in mute and standby functions, offset detection, short circuit detection, and output clip detection
    • 6V operations (engine idling reduction capability)
    • Built-in protection circuits (overheat, overvoltage, short to the power supply, short to the ground, and load shorted)

汽車音響用內建全時偏移電壓檢測功能的電流回授4聲道功率放大器IC: TCB502HQ 更多

TCB502HQ image


東芝半導體與儲存產品公司今日宣布推出TCB502HQ,一款可檢測輸出偏移電壓的4聲道功率放大器IC。因考量輸出偏移電壓是導致喇叭燒毀的因素之一,此款產品可提供檢測輸出偏移電壓。 量產計畫於2016年12月開始。為因應對於汽車音響更高音質的需求,此款新產品搭載高階Hi-Fi音響中所採用的電流回授系統。 可在較寬頻寬範圍內防止音質下降,考量樂器及人聲的倍音的情況下,保證始終如一的聲音品質。

這款新IC內建全新開發的全時偏移電壓檢測電路,此配置可於聲音播放期間持續檢測輸出直流偏移電壓,減少市場不良發生,實現高信賴性。

  • 最大輸出功率:
    49W×4ch(VCC=15.2V, RL=4Ω, MAXPOWER)
  • 輸出雜訊電壓: 33 µV (BW=A-weigh)
  • 工作電壓範圍: 6 V ~18 V (4Ω), 6 V ~16 V (2Ω)
  • 封裝: HZIP25-P-1.00F
  • 內建功能與特性:
    • 高輸出功率,低失真
    • 內置靜音和待機功能、偏移電壓偵測、和短路偵測
    • 6V工作電壓(支持引擎怠速熄火功能)
    • 各種保護機能(過熱保護、過電壓保護、輸出端到VCC端保護、輸出端到接地端保護、負載短路保護)

45-W 等級採用新CD-0.13製程的4聲道功率放大器IC: TCB001HQ 更多

TCB001HQ image

配備汽車引擎怠速熄火系統的汽車在車輛停止時會進入熄火狀態,因而導致電池電壓下降。透過將最低工作電壓從8V降低至6V,新款功率放大器實現了穩定運行,並防止汽車音響的聲音損失和雜訊生成。

"TCB001HQ" 這款積體電路使用新研發的濾波電路,以改善雜訊容許量,並將行動電話電磁波對音響的影響降至最低。此外,增強型保護電路還實現了更高的可靠性。

  • 最大輸出功率:
    45W × 4ch (VCC=15.2V, RL=4Ω,  MAXPOWER
  • 輸出雜訊電壓: 55 µV (BW=DIN_AUDIO)
  • 工作電壓範圍: 6 to 18 V (4Ω)
  • 封裝: HZIP25-P-1.00F
  • 內建功能與特性
    • 高輸出功率,低失真
    • 內置靜音和待機功能
    • 輸出直流偏移電壓偵測, 輸出短路偵測,以及過電壓偵測
    • 支持引擎怠速熄火功能
    • 支援優異的 GSM 雜訊抵抗能力
    • 各種保護機能 (過熱保護、過電壓保護、輸出端到VCC端保護、輸出端到接地端保護、負載短路保護)

汽車音響用內建全時偏移電壓檢測功能的電流回授4聲道功率放大器IC: TCB501HQ 更多

TCB501HQ image

"TCB501HQ"內建一個全新開發的全時偏移電壓檢測電路。傳統偏移電壓檢測在聲音播放期間難以實現。這款全新IC在聲音播放期間依然可以進行檢測由輸入電容和其他來源漏電所引起的輸出直流偏移電壓並防止喇叭燒毀。此款新產品搭載高階Hi-Fi音響中所採用的電流回授系統。 可在較寬頻寬範圍內防止音質下降,提供始終如一的聲音品質。

  • 最大輸出功率:
    49W × 4ch (VCC=15.2V, RL=4Ω, MAXPOWER)
  • 輸出雜訊電壓: 33 µV (BW=A-weigh)
  • 工作電壓範圍:
    6 to 18 V (4Ω), 6 to 16V (2Ω)
  • 封裝: HZIP25-P-1.00F
  • 內建功能與特性
    • 高輸出功率,低失真
    • 內置靜音和待機功能,輸出直流偏移電壓偵測,以及高壓側驅動開關
    • 6V 工作電壓(支持引擎怠速熄火功能)
    • 各種保護機能 (過熱保護、過電壓保護、輸出端到VCC端保護、輸出端到接地端保護、負載短路保護)

油電混合車以及電動車輛用外部聲音輸出汽車低速接近警示音系統: TB2909FNG 更多

TB2909FNG image

油電混合車HEVs 以及電動車 EVs 在純電動模式下行進時非常安靜,所以越來越多車輛會安裝汽車低速接近警示音系統,使得行人得以在車輛接近時有所察覺。

“TB2909FNG” 保證工作溫度高達 110°C,因此可用於電動車輛低速接近警示音系統,因為這種工作環境要求IC在高溫下維持正常運作。此款IC並內建各種異常偵測功能及保護電路,為車輛系統的安全性及簡化做出貢獻。

  • 最大輸出功率:
    5W × 1ch (VCC=16V, RL=8Ω, JEITA max)
    3W × 1ch (VCC=12V, RL=8Ω, JEITA max)
  • 總諧波失真: 0.08% (POUT=0.125W)
  • 輸出雜訊電壓: 55 µV
  • 工作電壓範圍: 6 to 16 V
  • 工作溫度範圍: Ta= -40 to 110°C
  • 封裝: TSSOP16
  • 內建功能與特性
    • 內置靜音和待機功能
    • 各種異常偵測機能(喇叭開路偵測、輸出對接地端或對VCC端短路、過熱偵測、過電壓偵測)
    • 各種保護機能(過熱保護、過電壓保護、輸出端到VCC端保護、輸出端到接地端保護、負載短路保護)

* 本文中涉及到的系統和產品名稱可能是相關公司或組織的商標或注冊商標。

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