TPS65400-Q1_15 Datasheet, PDF (12/75 Pages) Texas Instruments – TPS65400-Q1 4.5- to 18-V Input Flexible Power Management Unit With PMBus/I2C Interface

TPS65400-Q1
SLVSCQ2 – JULY 2015
8.2 Functional Block Diagrams
COMP2
COMP1
SDA
SCL
I2CADDR
I2CALERT
RCLOCK_SYNC
CLK_OUT
ENSW1
ENSW2
ENSW3
ENSW4
PGOOD
SS1/PG1
SS2/PG2
SS3/PG3
SS4/PG4
RST_N
CE
VIN
VDDD
VDDA
VDDG
AGND
I2C
CLOCK
(Adj Fsw and )
Enable
and
PGOOD
Soft-Start
or
PGOOD#
Internal
Sub-Reg
and
Bias
EEPROM
and
Charge Pump
Sequencing
Controller
SS DAC VREF DAC
PWM Controller
OVP
UVP
SS DAC VREF DAC
PWM Controller
OVP
UVP
TPS65400-Q1
SS DAC VREF DAC
PWM Controller
VREF
UVLO
OTP
OVP
UVP
SS DAC VREF DAC
PWM Controller
OVP
UVP
Gate Driver
OCP
ISENSE
Gate Driver
OCP
ISENSE
Gate Driver
OCP
ISENSE
Gate Driver
OCP
ISENSE
COMP3
COMP4
Figure 5. TPS65400-Q1 Functional Block Diagram
www.ti.com
PVIN1
CB1
SW1
PGND1
VFB1
PVIN2
CB2
SW2
PGND2
VFB2
PVIN3
CB3
SW3
PGND (Thermal Pad)
VFB3
PVIN4
CB4
SW4
PGND (Thermal Pad)
VFB4
12
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