The ABLIC Inc. HDL6M05543 is a quad, true 5-level RTZ, high-voltage, high-speed ultrasound pulser. The HDL6M05543 comprises logic interfaces, level translators, MOSFET gate drive buffers with floating voltage regulators, high-voltage, high-current MOSFETs, and active T/R switches.
Functions
- Quad true 5-level pulser with active T/R switch with 3-input per channel
Features
- 0 to ±100V output voltage
- ±2A source and sink peak current for the 1st high-voltage (HV) pulses (VPP1/VNN1)
- ±2A source and sink peak current with ±1A active clamp for the 2nd HV pulses (VPP2/VNN2)
- ±2A source and sink peak current for active ground clamp
- 250Ω (±0.1A) active ground clamp without blocking diode for anti-leakage (Analog SW type)
- Embedded floating voltage regulators
- Symmetrical positive and negative pulse waveforms for low 2nd order harmonic distortion
- Up to 200MHz LVDS/LVCMOS clock with 2-bit edge control (transparent mode available)
- 10Ω active T/R switch with 2-bit turn-on timing control
- 20MHz output frequency @±60V output, 220pF load
- 1.8V to 5V CMOS logic interface
- Noise-cut diodes at each HV output
- 4-mode output current control for the 2nd HV rail
- Automatic thermal protection with indicator
- Power-up/down reset function for free power sequencing and for fail-safe in abrupt power drop
- Latch-up free, low crosstalk between channels by SOI CMOS technology
- 64-lead 9x9mm QFN package (RoHS compliant)
Block diagram