Halo Microelectronics has launched a collection of dynamic voltage scaling buck converters that may be optimized to provide voltages throughout completely different subsystems.
Equipment these days, might or not it’s digital or mechanical, consists of a number of subsystems. Take into account any good equipment and even only a TV, it might encompass a number of tech ideas, like communication tech, processing(analog and/or digital). There are fairly numerous ideas utilized and every of them require a particular vary of energy.
Halo Microelectronics has launched HL7593 and HL7594 gadgets, a collection of synchronous buck converters optimized to provide completely different subsystems of transportable purposes. The output voltage ranges from 0.600V to 1.394V in 6.25mV steps or 0.27V to 0.6272V in 2.8125mV steps programmed by way of an I2C interface. The output voltages may be optimized to supply a dynamic voltage scaling (DVS) perform with a programmable slew charge. Moreover, a variety of output capacitors can be utilized to optimize Vout stability throughout load transients. Inductors from 0.33µH to 0.47µH could also be used with out affecting loop stability.
At average to mild masses, pulse frequency modulation (PFM) is used to take care of conversion effectivity with a typical non-switching quiescent present of 48µA. Even with such a low quiescent present, the HL759x maintains wonderful load and line transient responses. At greater masses, the system robotically switches to fixed-frequency pulse width modulation (PWM) operation at 2.4MHz for minimal VOUT ripple and optimum load transient response. In shutdown mode, the availability present drops under 1µA, lowering energy consumption. Moreover, the PFM Mode may be disabled if wanted by way of the I2C registers.
Options
- Complete Safety
- Enter under-voltage lockout (UVLO)
- Enter over-voltage safety (OVP)
- Overcurrent and short-circuit safety
- Thermal shutdown
- 2.4 MHz PWM with seamless PWM/PFM switching for light-load effectivity
- Dynamic voltage scaling (DVS) with programmable voltage slew charge
- Glorious load and line transient
- I2C interface with SM, FM, FM+, and HS Modes
Purposes embody :
- Utility processors
- Reminiscence, onerous disk drive, and SSD
- Smartphones
- Tablets
- Handheld gadgets
