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Details for TPS40422RSBT by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
DC/DC CTRL SYNC BUCK 1MHZ WQFN-40
TPS40422RSBT image

TPS40422RSBT by Texas Instruments

DC/DC CTRL SYNC BUCK 1MHZ WQFN-40
Features
180u00b0 Out-of-Phase to Reduce Input Ripple
40-Pin, 5 mm u00d7 5 mm WQFN Package with 0.4-
40-Pin, 6 mm u00d7 6 mm VQFN Package with 0.5- mm Pitch
600-mV Reference Voltage with u00b10.5% Accuracy from 0u00b0C to 85u00b0C
BPEXT Pin Boosts Efficiency by Supporting External Bias Power Switch Over
Current Sharing for Multiphase Operation
Differential Remote Sensing
Dual-output or Two-Phase Synchronous Buck Controller
External SYNC
Inductor DCR Current Sensing
OC, OV, UV, and OT Fault Protection
On-Chip Non-volatile Memory (NVM) to Store Custom Configurations
Output Voltage from 0.6 V to 5.6 V
PMBusu2122 Interface Capability u2013 Margining Up or Down with 2-mV Step u2013 Programmable Fault Limit and Response u2013 Output Voltage, Output Current Monitoring u2013 External Temperature Monitoring with 2N3904 Transistor u2013 Programmable UVLO ON and OFF Thresholds u2013 Programmable Soft-start Time and Turn-On and Turn-Off Delay
Programmable Switching Frequency: 200 kHz to 1 MHz
Single Supply Operation: 4.5 V to 20 V
Supports Pre-biased Output
Voltage Mode Control with Input Feed Forward
Part Information
TPS40422RSBT image
RoHS Compliant
Description
The TPS40422 is a dual-output PMBus protocol, synchronous buck controller. It can be configured also for a single, two-phase output. The wide input range supports 5-V and 12-V intermediate buses. The accurate reference voltage satisfies the need of precision voltage to the modern ASICs and potentially reduces the output capacitance. Voltage mode control reduces noise sensitivity and also ensures low duty ratio conversion.
Specifications
Supply Voltage Min:
4.5V
Supply Voltage Max:
20V
No. of Outputs:
2 Output
Duty Cycle (%):
90%
Controller IC Case Style:
WQFN
No. of Pins:
40Pins
Switching Frequency:
1MHz
Topology:
Synchronous Buck (Step Down)
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 2 - 1 year
SVHC:
No SVHC (27-Jun-2018)
Alternate Descriptions
DC DC Cntrlr Dual-OUT Sync Buck 4.5V to 20V 40-Pin WQFN T/R Avnet America