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buck converter. STPD01PUR Datasheet

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buck converter. STPD01PUR Datasheet






STPD01PUR converter. Datasheet pdf. Equivalent




STPD01PUR converter. Datasheet pdf. Equivalent





Part

STPD01PUR

Description

Programmable buck converter



Feature


STPD01 Datasheet Programmable buck conve rter for USB power delivery Product st atus link STPD01 Product summary Orde r code STPD01PUR Package QFN24L 3 x 4 Features • Input voltage range 6.0 V to 26.4 V • Internal power MOS syn ch rectification • Internal compensat ion • I2C bus controlled • Vout set tings: 3 V to 20 V with 20 mV (min.) st eps • Slew rate control (max.
Manufacture

STMicroelectronics

Datasheet
Download STPD01PUR Datasheet


STMicroelectronics STPD01PUR

STPD01PUR; . 30 mV/us) • Cable drop compensation • Iout settings: 0.1 A to 3 A with 50 mA steps • Embedded discharge functi on • Two programmable switching frequ encies with optional clock dithering Watchdog timer set by I2C • Configu rable interrupt pin • Soft-start • Power-on pin • Programmable constant current limit • OVP, IPEAK and overte mperature protections • Short-circuit .


STMicroelectronics STPD01PUR

protection • Undervoltage lockout • Available in QFN24L 3 x 4 package Appli cations • AC adapters • USB hubs PC monitors • Smart TV • USB-PD p ower distribution Description The STPD0 1 is a programmable synchronous buck co nverter suitable to provide power suppl y in applications following USB power d elivery specifications. The device prov ides those voltages required by .


STMicroelectronics STPD01PUR

USB power delivery systems as stated in USB PD 3.0 spec up to 60 W output power (20 V, 3 A). The different levels of o utput voltage and current limitation ca n be set dynamically through I2C interf ace. Overvoltage, overcurrent and overt emperature protections are included in the device. A programmable watchdog imp roves the robustness and the safety of the complete syste.

Part

STPD01PUR

Description

Programmable buck converter



Feature


STPD01 Datasheet Programmable buck conve rter for USB power delivery Product st atus link STPD01 Product summary Orde r code STPD01PUR Package QFN24L 3 x 4 Features • Input voltage range 6.0 V to 26.4 V • Internal power MOS syn ch rectification • Internal compensat ion • I2C bus controlled • Vout set tings: 3 V to 20 V with 20 mV (min.) st eps • Slew rate control (max.
Manufacture

STMicroelectronics

Datasheet
Download STPD01PUR Datasheet




 STPD01PUR
STPD01
Datasheet
Programmable buck converter for USB power delivery
Product status link
STPD01
Product summary
Order code
STPD01PUR
Package
QFN24L 3 x 4
Features
• Input voltage range 6.0 V to 26.4 V
• Internal power MOS synch rectification
• Internal compensation
• I2C bus controlled
• Vout settings: 3 V to 20 V with 20 mV (min.) steps
• Slew rate control (max. 30 mV/us)
• Cable drop compensation
• Iout settings: 0.1 A to 3 A with 50 mA steps
• Embedded discharge function
• Two programmable switching frequencies with optional clock dithering
• Watchdog timer set by I2C
• Configurable interrupt pin
• Soft-start
• Power-on pin
• Programmable constant current limit
• OVP, IPEAK and overtemperature protections
• Short-circuit protection
• Undervoltage lockout
• Available in QFN24L 3 x 4 package
Applications
• AC adapters
• USB hubs
• PC monitors
• Smart TV
• USB-PD power distribution
Description
The STPD01 is a programmable synchronous buck converter suitable to provide
power supply in applications following USB power delivery specifications.
The device provides those voltages required by USB power delivery systems as
stated in USB PD 3.0 spec up to 60 W output power (20 V, 3 A).
The different levels of output voltage and current limitation can be set dynamically
through I2C interface.
Overvoltage, overcurrent and overtemperature protections are included in the device.
A programmable watchdog improves the robustness and the safety of the complete
system.
Finally, the device is available in QFN24L 3 x 4 mm2.
DS13473 - Rev 3 - May 2021
For further information contact your local STMicroelectronics sales office.
www.st.com




 STPD01PUR
STPD01
Application schematic
1
Application schematic
Figure 1. STPD01 typical application schematic
CDRVH
CBOOT
PVIN
VDRVH
BOOT
L
RSNS
Vout
CIN
VCC
LX
Pon
SCL
SDA
ADD
INT
EN
ISNS+
ISNS-
VSNS
Cout
Cout1
RCDC1
CCDC
VREG
CREG
SGND PGND
CDC
RCDC2
Symbol
RSNS
L
CIN
CBOOT
COUT
COUT1
RCDC1
RCDC2
CDRVH, CREG
Value
25 mΩ 1%
10 uH
47 uF
100 nF
68-100 uF
10-22 uF
10 kΩ
Function of RCABLE
1 uF
Table 1. Bill of material
Description
Note
Low DCR
Ceramic capacitor
Ceramic capacitor
Ceramic capacitor
Ceramic capacitor
Spec USB PD
Ceramic capacitor
See Section 7.2 Cable drop compensation
DS13473 - Rev 3
page 2/43




 STPD01PUR
STPD01
Pin configuration (top through view)
2
Pin configuration (top through view)
Figure 2. Pin configuration (top through view)
19
13
20
12
24
1
8
7
Table 2. Pin description
Position Name
Description
1
SDA I2C data
2
SCL I2C clock
3
ADD I2C address selection (cannot be left floating)
4
INT Interrupt pin (open drain output)
5
EN Enable pin. Internally pulled up to VREG
6
VDRIVEH High-side driver supply. Connect to a bypass capacitor
7
VCC Analog supply input
8
PVIN Power supply input
9
PVIN Power supply input
10
PGND Power ground
11
PGND Power ground
12
PGND Power ground
13
LX Switching node
14
LX Switching node
15
LX Switching node
16
BOOT Connect the bootstrap capacitor (0.1 µF) between this pin and LX
17
Pon Power-on (open drain output). Pulled high when Vout reaches the regulation value after startup
18
VREG Internal LDO regulator voltage pin (connect 1 μF capacitor between this pin and GND)
19
ISNS+ Positive connection for the current sensing resistor. Connect to GND if not used
20
ISNS- Negative connection for the current sensing resistor. Connect to GND if not used
21
VSNS
Output voltage sensing pin. Used also for cable drop compensation see Section 7.2 Cable drop
compensation
22
CDC Cable drop compensation programming pin
DS13473 - Rev 3
page 3/43






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