UCC28951QPWRQ1 Texas Instruments IC REG CTRLR FULL-BRIDGE 24TSSOP

label:

2024/01/4 518

• Qualified for automotive applications

• AEC-Q100 qualified with the following results:
– Device temperature grade 1:–40°C to +125°C ambient operating temperature range
– Device HBM ESD classification level H2
– Device CDM ESD classification level C3B

• Enhanced zero-voltage switching (ZVS) range

• Direct synchronous rectifier (SR) control

• Light-load efficiency management including:
– Burst mode operation
– Discontinuous conduction mode (DCM), dynamic SR on/off control with programmable threshold
– Programmable adaptive delay

• Average- or peak-current mode control with programmable slope compensation and voltagemode contro

• Closed-loop soft-start and enable function

• Programmable switching frequency up to 1 MHz with bidirectional synchronization

• (±3%) cycle-by-cycle current limit protection with hiccup mode support

• 150-µA start-up current

• VDD undervoltage lockout

• Wide temperature range: –40°C to +125°C

CATALOG

UCC28951QPWRQ1 COUNTRY OF ORIGIN

UCC28951QPWRQ1 PARAMETRIC INFO

UCC28951QPWRQ1 PACKAGE INFO

UCC28951QPWRQ1 MANUFACTURING INFO

UCC28951QPWRQ1 PACKAGING INFO

UCC28951QPWRQ1 ECAD MODELS

UCC28951QPWRQ1 FUNCTIONAL BLOCK DIAGRAM

UCC28951QPWRQ1 APPLICATIONS

COUNTRY OF ORIGIN

Taiwan (Province of China)

PARAMETRIC INFO

Control Method	Current
Topology	Full-Bridge
Number of PWM Outputs	6
Maximum Duty Cycle (%)	97
Switching Frequency (kHz)	1000
Minimum Operating Temperature (°C)	-40
Maximum Operating Temperature (°C)	125
Rise Time (ns)	9
On/Off Pin	Yes
Adjustable Output	No
Synchronous Pin	Yes
Fall Time (ns)	7
Operating Supply Voltage (V)	8 to 17
Minimum Operating Supply Voltage (V)	8
Typical Operating Supply Voltage (V)	12
Maximum Supply Current (mA)	10
Maximum Operating Supply Voltage (V)	17
Maximum Power Dissipation (mW)	1070
Minimum Storage Temperature (°C)	-65
Maximum Storage Temperature (°C)	150
Type	Current Mode PWM Controller

PACKAGE INFO

Supplier Package	TSSOP
Basic Package Type	Lead-Frame SMT
Pin Count	24
Lead Shape	Gull-wing
PCB	24
Tab	N/R
Pin Pitch (mm)	0.65
Package Length (mm)	7.9(Max)
Package Width (mm)	4.5(Max)
Package Height (mm)	1.05(Max)
Package Diameter (mm)	N/R
Package Overall Length (mm)	7.9(Max)
Package Overall Width (mm)	6.6(Max)
Package Overall Height (mm)	1.2(Max)
Seated Plane Height (mm)	1.2(Max)
Mounting	Surface Mount
Package Material	Plastic
Package Description	Thin Shrink Small Outline Package
Package Family Name	SO
Jedec	MO-153AD
Package Outline	Link to Datasheet

MANUFACTURING INFO

MSL	2
Maximum Reflow Temperature (°C)	260
Reflow Solder Time (Sec)	30
Number of Reflow Cycle	3
Reflow Temp. Source	Link to Datasheet
Maximum Wave Temperature (°C)	N/R
Wave Solder Time (Sec)	N/R
Lead Finish(Plating)	Au
Under Plating Material	Pd over Ni
Terminal Base Material	Cu Alloy

PACKAGING INFO

Packaging Suffix	R
Packaging	Tape and Reel
Quantity Of Packaging	2000
Packaging Document	Link to Datasheet

ECAD MODELS

FUNCTIONAL BLOCK DIAGRAM

APPLICATIONS

• Electric vehicle inverters

• Electric vehicle onboard chargers

• Solar inverters

• UPS