SLAA988A December   2020  – January 2022 TAS2563

 

  1.   Trademarks
  2. 1Layout Guidelines
    1. 1.1  Typical Application Circuit
    2. 1.2  VBAT
    3. 1.3  DREG
    4. 1.4  GREG
    5. 1.5  PVDD and VBST
    6. 1.6  VDD
    7. 1.7  IOVDD
    8. 1.8  Output Pins
    9. 1.9  Sense Pins
    10. 1.10 Digital Portion
    11. 1.11 Ground Planes
  3. 2Schematic
    1. 2.1 Recommended External Components
  4. 3Decoupling Capacitors
  5. 4Revision History

2.1 Recommended External Components

Component Description Specification MIN TYP MAX Unit

C43, C44

VBAT Decoupling Capacitor - VBAT pin

Type

X7R

Capacitance, 20% Tolerance

10, 0.1

μF

Rated Voltage

10

V

C47, C48

VBAT Decoupling Capacitor - Boost inductor

Type

X7R

Capacitance, 20% Tolerance

 10, 0.1 μF

Rated Voltage

10

V

C61, C72

PVDD Decoupling Capacitor

Type

 X7R

Capacitance, 20%

10

 μF

Rated Voltage

35

V

C49, C50

VDD Decoupling Capacitor

Type

 X7R

Capacitance, 20% Tolerance

4.7

 μF

Rated Voltage

6

V

C55

DREG Decoupling Capacitor

Type

 X7R

Capacitance, 20% Tolerance

0.68

1

1.5

 μF

Rated Voltage

6

V

C51, C52

IOVDD Decoupling Capacitor

Type

 X7R

Capacitance, 20% Tolerance

1

 μF

Rated Voltage

6

V

C60

GREG Decoupling Capacito

Type

 X7R
Capacitance, 20% Tolerance

0.1

uF
Rated Voltage

10

V

Replace R18 and R19 by these inductors in case the EMI Filter is required

EMI Filter Inductors (optional). These are not recommended as it degrades THD+N performance. The device is a filter-less Class-D and does not require these bead inductors.

Impedance at 100 MHz

120

Ω

DC Resistance

0.095

Ω

DC Current

5

A
C53, C54

EMI Filter Capacitors (optional, must use EMI inductors if C37, C49, C106, C115 used)

Capacitance

1

nF