AN2725 Datasheet, PDF (4/8 Pages) STMicroelectronics – a brief description of the TS2012 device

Description of the demonstration board
AN2725
Figure 1. Schematic diagram
P11
1
2
Lin+
P12
1
2
Lin-
GND
GND
P13
2
1
P14
2
1
P21
1
2
Rin+
P22
1
2
Rin-
GND
GND
P23
2
1
P24
2
1
C13
220nF
C14
220nF
C23
220nF
C24
220nF
VCC P2
1
2
3
GND G1
VCC P3
1
2
3
GND G0
P1
1
2
VCC
GND
C1
C2
C3
1uF
1uF
100nF
GND GND GND
VCC
VCC VCC
U1
TS2012IQT
LIN +
LIN -
G0
G1
RIN +
RIN -
Gain
Select
Gain
Select
STBY L _Standby
STBY R _Control
PWM
H
Bridge
LOU T+
LOU T-
Oscillator
PWM
H
Bridge
ROUT+
ROUT-
P15
1
2
Lout
P25
1
2
Rout
VCC
GND
P4
1
2
3
StandbyR
VCC
GND
P5
1
2
3
StandbyL
GND
GND GND
Table 3. Demonstration board component list
Designation
Quantity Description
C1, C2, C3
3
1 µF/16 V, SMD ceramic capacitors, 0603
C12, C14, C23, C24
4
220 nF/16 V, SMD ceramic capacitor, 0603
P1, P11, P12, P13, P14, P15,
P21, P22, P23, P24, P25
11
2-pin header, 2.54 mm pitch
P2, P3, P4, P5
4
3-pin header, 2.54 mm pitch
U1
1
TS2012IQT
4/8
Doc ID 14535 Rev 1