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Blood pressure monitor

Blood pressure monitors determine blood pressure values ​​by precisely capturing pressure oscillations within the cuff, and their accuracy is highly dependent on the micro-voltage stability of the pressure sensor. To address the reverse induced current generated during the charging and discharging of the internal micro-pump, and the power ripple caused by the inflation valve's operation, we offer a high-efficiency surge absorption and low-noise linear voltage regulation protection solution. These components effectively eliminate interference from the power source on the analog sampling circuit, ensuring that the linear acquisition of the pressure signal is unaffected by fluctuations, thereby providing users with highly consistent and repeatable medical-grade measurement data.

Block diagram
Find products and reference designs for your system.
Blood pressure monitorBlock diagram

Products

Reference designs

Gas discharge tubes (2)

2R600L-5.5×6

-- 2R600L-5.5×6, 2-electrode GDT, 600V DC breakdown, ±20%, 5kA (8/20µs), ≤1pF.

2R600L-8×6

-- 2R600L-8×6, 2-electrode gas discharge tube, 600V DC breakdown voltage, ±20% tolerance, 10kA (8/20µs) impulse discharge current, ≤1pF, ITU-T K.12 compliant, for primary lightning protection.

Varistors (2)

Tvs diodes (3)

SMBJ6.5CA

-- SMBJ6.5CA, bidirectional TVS diode, VR=6.5V, VBR≈7.22–7.98V, VC≈11.2V, 600W.

SMCJ15CA

-- SMCJ15CA, bidirectional TVS diode, VR=15V, VBR≈16.7–18.5V, VC≈24.4V, IPP≈61A, IR≤1µA, 1500W.

SMDJ28CA

-- SMDJ28CA, bidirectional TVS, VR=28V, VBR≈31.1–34.4V, VC≈45.4V, IPP≈66.1A, IR≤2µA, PPK=3000W.

Common mode choke (1)

Esd protection diodes (1)

ESD0524P

-- 5V four-line ultra low capacitance TVS diode array with 0.35pF line-to-line capacitance in DFN2510-10L package for high speed data protection

Esd protection diodes (1)

NRESDTLC5V0D8B

-- DFN1006 ultra low capacitance TVS diode rated at 5V for single line ESD protection

Thyristor surge suppressor (2)

P0220SCL

-- P0220SCL, TSS surge suppressor, offers reliable surge suppression for industrial and telecom circuits, with fast clamping and low leakage.

P3100SCL

-- P3100SCL, TSS surge suppressor, provides reliable protection for telecom lines and sensitive electronics. With fast response and low leakage, it provides the reliability needed for modern communication equipment.

Esd protection diodes (1)

Gas discharge tubes (4)

Tvs diodes (1)

Resettable fuses (1)

Thyristor surge suppressor (1)

P0080SCL

-- P0080SCL, TSS surge suppressor, offers fast clamping for protecting low-voltage signal circuits from transient overvoltage events.

Tvs diodes (1)

Resettable fuses (1)

Esd protection diodes (1)

Gas discharge tubes (1)

Esd protection diodes (3)

ESDLC5V0D8B

-- DFN1006 bidirectional TVS diode rated at 5V for single data line protection

ESDULC5V0D8B

-- SOD882 low capacitance TVS diode rated at 5V for signal protection

ESD0524P

-- 5V four-line ultra low capacitance TVS diode array with 0.35pF line-to-line capacitance in DFN2510-10L package for high speed data protection

Tvs diodes (1)

Common mode choke (1)

Gas discharge tubes (6)

2R090L-5.5×6

-- 2R090L-5.5×6, 2-electrode GDT, 90V DC breakdown, ±20%, 5kA (8/20µs), ≤1pF.

2R090L-8×6

-- 2R090L-8×6, 2-electrode GDT, 90V DC breakdown, ±20%, 10kA (8/20µs), ≤1pF.

3R090L-5×7.6

-- 3R090L-5×7.6, 3-electrode GDT, 90V DC breakdown, ±20%, 5kA (8/20µs), ≤1pF.

3R090L-6×8

-- 3R090L-6×8, 3-electrode GDT, 90V DC breakdown, ±20%, 10kA (8/20µs), ≤1pF.

3R090L-8×10

-- 3R090L-8×10, 3-electrode GDT, 90V DC breakdown, ±20%, 10kA (8/20μs), ≤1pF.

SMD1812-091

-- SMD1812-091, 2-pole 1812 SMD gas discharge tube, 90V DC spark-over voltage, 2kA (8/20μs), ≤0.5pF.

Esd protection diodes (2)

Thyristor surge suppressor (1)

Esd protection diodes (1)

ESD0524P

-- 5V four-line ultra low capacitance TVS diode array with 0.35pF line-to-line capacitance in DFN2510-10L package for high speed data protection