Datasheet

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PWM
and
Level
Shifter
H-Bridge
Internal
Oscillator
Biases, Control,
and
References
Regulator
V
max
Control
Gate
Control
Anti-
Ringing
PGND
AGND
BGControl
PGND
AGND
V OUT
CC
Vref
AGND
IN+
IN–
SDb
V
DD
SW
V OUT
CC
V FB
CC
V IN
CC
VOUT+
VOUT–
PGND
SDd
Res.
Array
GAIN
TPA2013D1
SLOS520 – AUGUST 2007
Functional Block Diagram
Table 1. BOOST CONVERTER MODE CONDITION
CASE OUTPUT CURRENT MODE OF OPERATION
V
DD
< V
CC
Low Continuous (fixed frequency)
V
DD
< V
CC
High Continuous (fixed frequency)
V
DD
≥ V
CC
Low Discontinuous (variable frequency)
V
DD
≥ V
CC
High Discontinuous (variable frequency)
Table 2. DEVICE CONFIGURATION
Boost Class D
SDb SDd Comments
Converter Amplifier
low low OFF OFF Device is in shutdown mode Iq ≤ 1 μ A
Boost converter is off. Class-D Audio Power Amplifier (APA) can be driven by an
low high OFF ON
external pass transistor connected to the battery.
high low ON OFF Class-D APA is off. Boost Converter is on and can be used to drive an external device.
Boost converter and Class-D APA are on. Normal operation. Boost converter can be
high high ON ON used to drive an external device in parallel to the Class-D APA within the limits of the
boost converter output current.
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