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Details for TPS40170RGYT by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
TPS40170RGYT
Buy Directly from Texas Instruments (9318 in stock) $2.4300
BUCK CNTRL SYNC 20VQFN FULL REEL
TPS40170RGYT image

TPS40170RGYT by Texas Instruments

BUCK CNTRL SYNC 20VQFN FULL REEL
Features
20-Pin 3.5 mm u00d7 4.5 mm VQFN (RGY) Package
600 mV Reference Voltage with 1% Accuracy
8.0-V and 3.3-V LDO Output
Bi-directional -Frequency Synchronization With Master/Slave Option
Create a Custom Design Using the TPS40170
ENABLE with 1-u00b5A Low Current Shutdown
Integrated Bootstrap Diode
Low-side FET Sensing Overcurrent Protection and High-Side FET Sensing Short-Circuit Protection With Integrated Thermal Compensation
Powergood
Programmable Closed Loop Soft-Start
Programmable Frequency Between 100 kHz and 600 kHz
Programmable UVLO and Hysteresis
Supports Pre-Biased Outputs
Thermal Shutdown at 165u00b0C with Hysteresis
Voltage Mode Control With Voltage Feed Forward
Voltage Tracking
Wide Input Voltage Range from 4.5 V to 60 V
Part Information
TPS40170RGYT image
RoHS Compliant
Description
TPS40170 is a full-featured, synchronous PWM buck controller that operates at an input voltage between 4.5 V and 60 V and is optimized for high-power density, high-reliability DC-DC converter applications. The controller implements voltage-mode control with input voltage feed-forward compensation that enables instant response to input voltage change. The switching frequency is programmable from 100 kHz to 600 kHz. The TPS40170 has a complete set of system protection and monitoring features such as programmable undervoltage lockout (UVLO), programmable overcurrent protection (OCP) by sensing the low-side FET, selectable short-circuit protection (SCP) by sensing the high-side FET and thermal shutdown. The ENABLE pin allows for system shutdown in a low-current (1 µA typical) mode. The controller supports pre-biased output, provides an open-drain PGOOD signal, and has closed-loop soft-start, output voltage tracking and adaptive dead-time control. TPS40170 provides accurate output voltage regulation through 1% ensured accuracy. Additionally, the controller implements a novel scheme of bi-directional synchronization with one controller acting as the master and other downstream controllers acting as slaves synchronized to the master in-phase or 180° out-of-phase. Slave controllers can be synchronized to an external clock within ±30% of the free-running switching frequency.
Specifications
Input Voltage:
4.5V
Output Voltage:
8V
Output Current:
20A
Supply Voltage Min:
4.5V
Supply Voltage Max:
60V
Controller IC Case Style:
VQFN
No. of Pins:
20Pins
Frequency:
600kHz
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)
Base Number:
40170
Duty Cycle (%):
95%
No. of Outputs:
1Outputs
Operating Temperature Range:
-40°C to +125°C
Primary Input Voltage:
60V
Switching Frequency:
660kHz
Topology:
Synchronous Buck (Step Down)
Alternate Descriptions
BUCK, CNTRL, SYNC, 20VQFN, FULL REEL; Input Voltage:4.5V; Output Voltage:8V; Output Current:20A; Supply Voltage Min:4.5V; Supply Voltage Max:60V; Controller IC Case Style:VQFN; No. of Pins:20Pins; Frequency:600kHz; Operating RoHS Compliant: Yes Newark Electronics
DC DC Cntrlr Single-OUT Sync Buck 4.5V to 60V Input 20-Pin VQFN EP T/R Avnet America
DC DC Cntrlr Single-OUT Sync Buck 4.5V to 60V Input 20-Pin VQFN EP T/R Avnet Europe
4.5 V to 60 V Wide-Input Synchronous PWM Buck Controller Texas Instruments