TPS541620 Series
4.5-V to 15-V, advanced current mode, dual 6-A synchronous SWIFT™ step-down converter
Manufacturer: Texas Instruments
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Key Features
• Integrated 24-mΩ and 10-mΩ MOSFETs with lossless current sensingFixed-frequency, internally-compensated advanced current mode (ACM) controlDual output with up to 6 A each outputDual-phase, single output for up to 12 APhase interleaving operation for one or two phasesSynchronization to an external clock using SYNC and CLKO0.5-V to 5.5-V output voltage rangeFour selectable PWM ramp options for each switching frequency to optimize control loop performanceSoft start time is configurable by an external cap in single-output, multi-phase configuration and is fixed at 1 ms for dual-output configurationTrue differential remote sensing in multi-phase operationIndependent enable and power goodFour selectable switching frequency options of 500 kHz, 1 MHz, 1.5 MHz, and 2.0 MHzSupports safe pre-biased start-upOvertemperature protection with hysteresis–40°C to 150°C operation junction temperature3-mm × 5-mm, 25-pin VQFN-HR package with 0.5-mm pitchIntegrated 24-mΩ and 10-mΩ MOSFETs with lossless current sensingFixed-frequency, internally-compensated advanced current mode (ACM) controlDual output with up to 6 A each outputDual-phase, single output for up to 12 APhase interleaving operation for one or two phasesSynchronization to an external clock using SYNC and CLKO0.5-V to 5.5-V output voltage rangeFour selectable PWM ramp options for each switching frequency to optimize control loop performanceSoft start time is configurable by an external cap in single-output, multi-phase configuration and is fixed at 1 ms for dual-output configurationTrue differential remote sensing in multi-phase operationIndependent enable and power goodFour selectable switching frequency options of 500 kHz, 1 MHz, 1.5 MHz, and 2.0 MHzSupports safe pre-biased start-upOvertemperature protection with hysteresis–40°C to 150°C operation junction temperature3-mm × 5-mm, 25-pin VQFN-HR package with 0.5-mm pitch
Description
AI
The TPS541620 is a highly integrated non-isolated dual DC-DC converter that is capable of high-frequency operation in a 3-mm × 5-mm package. The device can be configured as two single 6-A rails or combined to drive a single 12-A current load. The device implements a fixed-frequency advanced current mode control (ACM) with selectable ramp amplitude configurations to optimize the loop bandwidth. Two mode selection pins (MODE1 and 2) are used to select switching frequency, configuration, clock phase delay, and internal compensation.
The TPS541620 is a highly integrated non-isolated dual DC-DC converter that is capable of high-frequency operation in a 3-mm × 5-mm package. The device can be configured as two single 6-A rails or combined to drive a single 12-A current load. The device implements a fixed-frequency advanced current mode control (ACM) with selectable ramp amplitude configurations to optimize the loop bandwidth. Two mode selection pins (MODE1 and 2) are used to select switching frequency, configuration, clock phase delay, and internal compensation.