ZHCSH20 October 2017 TAS5634
PRODUCTION DATA.
The TAS5634 is available in a thermally-enhanced, 44-Pin HTSSOP package (DDV).
The package contains a PowerPAD™ that is located on the top side of the device for convenient thermal coupling to a heatsink.
PIN | I/O/P(1) | DESCRIPTION | Sections | |
---|---|---|---|---|
NAME | NO. | |||
AVDD | 13 | P | Analog internal voltage regulator output. Place 1 μF capacitor to GND. | |
BST_A | 44 | P | Bootstrap pin, A-side. Connect 0.33 nF ceramic capacitor to OUT_A. | |
BST_B | 43 | P | Bootstrap pin, B-side. Connect 0.33 nF ceramic capacitor to OUT_B. | |
BST_C | 24 | P | Bootstrap pin, C-side. Connect 0.33 nF ceramic capacitor to OUT_C. | |
BST_D | 23 | P | Bootstrap pin, D-side. Connect 0.33 nF ceramic capacitor to OUT_D. | |
CLIP | 18 | O | Clipping warning; open drain; active low. Connect 10 kΩ pull-up resistor to DVDD to monitor. If unused, do not connect. | |
C_START | 7 | O | Startup ramp timing control pin. Connect capacitor to ground. 330nF for BTL / PBTL mode. 1 μF for SE mode. | |
DVDD | 8 | P | Digital internal voltage regulator output. Place 1 μF capacitor to GND. | |
FAULT | 16 | O | Fault signal output, open drain; active low. Connect 10 kΩ pull-up resistor to DVDD to monitor. If unused, do not connect. | |
GND | 9, 10, 11, 12, 25, 26, 33, 34, 41, 42 | P | Ground. | |
GVDD_AB | 1 | P | Gate-drive voltage supply; AB-side. Place 100 nF decoupling capacitor to GND. | |
GVDD_CD | 22 | P | Gate-drive voltage supply; CD-side. Place 100 nF decoupling capacitor to GND. | |
INPUT_A | 5 | I | PWM Input signal for half-bridge A. If unused, connect INPUT_A to GND. | |
INPUT_B | 6 | I | PWM Input signal for half-bridge B. If unused, connect INPUT_B to GND. | |
INPUT_C | 14 | I | PWM Input signal for half-bridge C. If unused, connect INPUT_C to GND. | |
INPUT_D | 15 | I | PWM Input signal for half-bridge D. If unused, connect INPUT_D to GND. | |
M1 | 19 | I | Mode selection 1. | |
M2 | 20 | I | Mode selection 2. | |
M3 | 21 | I | Mode selection 3. | |
OC_ADJ | 3 | O | Over-Current threshold programming pin. Connect programming resistor to GND. Use 27 kΩ for typical applications. | |
OTW | 17 | O | Over-temperature warning; open drain; active low. Connect 10 kΩ pull-up resistor to DVDD to monitor. If unused, do not connect. | |
OUT_A | 39, 40 | O | Output, half-bridge A. If unused, remove BST_A capacitor and GND INPUT_A pin. Output pins can be left floating. | |
OUT_B | 35 | O | Output, half-bridge B. If unused, remove BST_B capacitor and GND INPUT_B pin. Output pins can be left floating. | |
OUT_C | 32 | O | Output, half-bridge C. If unused, remove BST_C capacitor and GND INPUT_C pin. Output pins can be left floating. | |
OUT_D | 27, 28 | O | Output, half-bridge D. If unused, remove BST_D capacitor and GND INPUT_D pin. Output pins can be left floating. | |
PVDD_AB | 36, 37, 38 | P | PVDD supply for half-bridge A and B. Place a minimum of 1 μF decoupling capacitor near PVDD_AB pin. | |
PVDD_CD | 29, 30, 31 | P | PVDD supply for half-bridge C and D. Place a minimum of 1 μF decoupling capacitor near PVDD_CD pin. | |
RESET | 4 | I | Device reset pin; active low. | |
VDD | 2 | P | 12V power supply input for internal analog and digital voltage regulators. | |
PowerPAD™ | P | Ground, connect to grounded heat sink. |
MODE PINS | PWM Input(1) | Output Configuration | Input A | Input B | Input C | Input D | DC Speaker Protection(2) | Mode | C_START Capacitor | ||
---|---|---|---|---|---|---|---|---|---|---|---|
M3 | M2 | M1 | |||||||||
0 | 0 | 0 | 2N | 2 x BTL | PWMa | PWMb | PWMc | PWMd | Enabled | AD | 330 nF |
0 | 0 | 1 | 1N(3) | 2 x BTL | PWMa | Unused | PWMc | Unused | Enabled | AD | 330 nF |
0 | 1 | 0 | 2N | 2 x BTL | PWMa | PWMb | PWMc | PWMd | Disabled | AD or BD | 330 nF |
0 | 1 | 1 | 2N/1N(3) | 1 x BTL + 2 x SE(4) | PWMa | PWMb | PWMc | PWMd | Enabled (BTL only) | AD | 1 μF |
1 | 0 | 0 | 2N | 1 x PBTL | PWMa | PWMb | 0 | 0 | Enabled | AD | 330 nF |
1 | 0 | 0 | 1N(3) | 1 x PBTL | PWMa | Unused | 0 | 1 | Enabled | AD | 330 nF |
1 | 0 | 0 | 2N | 1 x PBTL | PWMa | PWMb | 1 | 0 | Disabled | AD or BD | 330 nF |
1 | 0 | 1 | 1N1 | 4 x SE(5) | PWMa | PWMb | PWMc | PWMd | Disabled | AD | 1 μF |