Preliminary Datasheet TCB702FNG (Toshiba) - 5
| Fabricante | Toshiba |
| Descripción | Maximum Power 45 W BTL × 4-ch Audio Power IC with Built-in Self-Diagnostics |
| Páginas / Página | 52 / 5 — Preliminary. 6. Detailed Description. 6.1. Specifications of External … |
| Formato / tamaño de archivo | PDF / 2.4 Mb |
| Idioma del documento | Inglés |
Preliminary. 6. Detailed Description. 6.1. Specifications of External Components
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Preliminary
TCB702FNG
6. Detailed Description 6.1. Specifications of External Components
5 3 μF C μF C +B 19 34 2 21 17 1 TAB VCC4 VCC3 V CC2 VCC1 0. 3900 OUT1(+) 0.22 μF 16 IN1 12 PW-GND1 RL = 4 Ω 15 C1 OUT1(-) 6 VREF25 14 μF 1 6 OUT2(+) C 20 0.22 μF IN2 PW-GND2 11 23 C1 OUT2(-) 7 ACGND 24 4 μF C 25 1 OUT3(+) 5 0.22 μF IN3 PW-GND3 8 4 C1 OUT3(-) 10 Pre-GND 3 OUT4(+) 30 0.22 μF 31 RDET IN4 PW-GND4 9 32 10 kΩ C1 13 Ripple OUT4(-) 2 μF 35 V Vlogic det C R R 10 DA CL 2.2 kΩ 2.2 kΩ SCL 29 1 ClipDET1 SDA 28 18 ClipDET2 33 OFFSETDET ADSEL27 RADSEL 36 BuDET For values, refer to Stby Mute V stby 22 Vmute Section 6.3. 26 Power ON Power OFF Influence (Note1) Component Recommended Pin Purpose Name Value Lower Higher than Recommended Value than Recommended Value INx(x:1 to C1 0.22 μF To eliminate DC Cut-off frequency becomes higher Cut-off frequency becomes lower 4) Power ON/OFF time and turn ON Power ON/OFF time and turn ON C2 10 μF Ripple To reduce ripple diagnostic cycle shorter diagnostic cycle longer VCC1, C3 0.1 μF Oscillation margin Reduces noise and provides sufficient oscillation margin VCC2 Common reference C4 1 μF ACGND Pop noise is suppressed when C1: C4 = 1:4. (Note2) voltage for all input C5 3900 μF VCC1 to 4 Ripple filter For power supply hum and ripple filtering C6 1 μF VREF25 To reduce noise REF voltage stabilization and noise reduction Resistor for selecting Slave address selecting error Slave address selecting error RADSEL (Note3) ADSEL address Communication error Communication error Pull-up resistor for Detection output voltage larger Microcontroller current smaller RDET 10 kΩ Each DET detection Detection error Detection error Pull-up resistor for Signal input error Noise influence larger RDA, RCL 2.2 kΩ SDA, SCL input Communication error Communication error Note1: When the unrecommended value is used, please examine it enough by system evaluation. Note2: Since ACGND pin is a common reference voltage for all input, this product needs to set the ratio of an input capacitance (C1) and the ACGND capacitance (C4) to 1:4. Note 3: For RADSEL, refer to Section 6.3 “Slave Address Selectable Function.” 5 2018-10-23
TCB702FNG
6. Detailed Description 6.1. Specifications of External Components
5 3 μF C μF C +B 19 34 2 21 17 1 TAB VCC4 VCC3 V CC2 VCC1 0. 3900 OUT1(+) 0.22 μF 16 IN1 12 PW-GND1 RL = 4 Ω 15 C1 OUT1(-) 6 VREF25 14 μF 1 6 OUT2(+) C 20 0.22 μF IN2 PW-GND2 11 23 C1 OUT2(-) 7 ACGND 24 4 μF C 25 1 OUT3(+) 5 0.22 μF IN3 PW-GND3 8 4 C1 OUT3(-) 10 Pre-GND 3 OUT4(+) 30 0.22 μF 31 RDET IN4 PW-GND4 9 32 10 kΩ C1 13 Ripple OUT4(-) 2 μF 35 V Vlogic det C R R 10 DA CL 2.2 kΩ 2.2 kΩ SCL 29 1 ClipDET1 SDA 28 18 ClipDET2 33 OFFSETDET ADSEL27 RADSEL 36 BuDET For values, refer to Stby Mute V stby 22 Vmute Section 6.3. 26 Power ON Power OFF Influence (Note1) Component Recommended Pin Purpose Name Value Lower Higher than Recommended Value than Recommended Value INx(x:1 to C1 0.22 μF To eliminate DC Cut-off frequency becomes higher Cut-off frequency becomes lower 4) Power ON/OFF time and turn ON Power ON/OFF time and turn ON C2 10 μF Ripple To reduce ripple diagnostic cycle shorter diagnostic cycle longer VCC1, C3 0.1 μF Oscillation margin Reduces noise and provides sufficient oscillation margin VCC2 Common reference C4 1 μF ACGND Pop noise is suppressed when C1: C4 = 1:4. (Note2) voltage for all input C5 3900 μF VCC1 to 4 Ripple filter For power supply hum and ripple filtering C6 1 μF VREF25 To reduce noise REF voltage stabilization and noise reduction Resistor for selecting Slave address selecting error Slave address selecting error RADSEL (Note3) ADSEL address Communication error Communication error Pull-up resistor for Detection output voltage larger Microcontroller current smaller RDET 10 kΩ Each DET detection Detection error Detection error Pull-up resistor for Signal input error Noise influence larger RDA, RCL 2.2 kΩ SDA, SCL input Communication error Communication error Note1: When the unrecommended value is used, please examine it enough by system evaluation. Note2: Since ACGND pin is a common reference voltage for all input, this product needs to set the ratio of an input capacitance (C1) and the ACGND capacitance (C4) to 1:4. Note 3: For RADSEL, refer to Section 6.3 “Slave Address Selectable Function.” 5 2018-10-23