optoisolators

Si8230

Key datasheet specifications and the closest alternatives, ranked by parametric similarity and grounded in the manufacturer datasheet.

01 — Overview

This Silicon Labs datasheet covers the Si823x family of isolated gate drivers, including parts like Si8230 through Si8235. It details high-side, low-side, and dual driver configurations with 0.5 A or 4.0 A peak output currents. Key features include up to 5 kV RMS input-to-output isolation, 24 V maximum supply voltage, and switching frequencies up to 8 MHz. The document addresses applications in automotive power systems, motor control, and EV charging, offering industrial and automotive-grade options in various packages.

02 — Key specifications

Datasheet parameters

ParameterMinTypMaxConditions
quiescent current — 2 mA 3 mA Si8230/2/3/5/7/8
output voltage -2 V — —
output current — 500 mA —
supply voltage range 4.5 V — 5.5 V Si8230/1/2/3/4/5
input offset voltage -500 mV — —
operating temperature -40 °C — 125 °C
propagation delay — 30 ns 45 ns CL = 200 pF
rise time — — 20 ns CL = 200 pF (Si8230/1/2/7)
cmti 20 GV/s 45 GV/s — VIA, VIB, PWM = VDDI or 0 VVCM = 1500 V(see Figure 3.3 Common Mode Transient Immunity Test Circuit on page 28)
output count — 2 —
channel count — 2 —
03 — Alternatives

Closest matches to Si8230

ADuM1200AR 4.0× lower quiescent current, 3.3× higher propagation delay, 2.0× lower rise time
ADuM1201ARZ 4.0× lower quiescent current, 3.3× higher propagation delay, 2.0× lower rise time
ISO7220M 20.0× lower rise time, 13.5× higher propagation delay, 1.1× lower cmti
ISO7240C 10.0× lower rise time, 2.0× lower quiescent current, 1.1× higher cmti
Si8611 8.0× lower rise time, 4.0× lower output voltage, 3.8× lower propagation delay
Si8612B-SV 8.0× lower rise time, 4.0× lower output voltage, 3.8× lower propagation delay
04 — FAQ

Frequently asked questions

What is the channel count of the Si8230?

The channel count is 2.

What is the common mode transient immunity (CMTI) specification for the Si8230?

The CMTI is 45 GV/s when VIA, VIB, and PWM are at VDDI or 0 V and VCM is 1500 V.

What is the input offset voltage?

The input offset voltage is -500 mV.

What is the maximum operating temperature for the Si8230?

The maximum operating temperature is 125 °C.

What is the output count of the Si8230?

The output count is 2.

What is the output current of the Si8230?

The output current is 500 mA.

What is the output voltage?

The output voltage is -2 V.

What is the propagation delay when CL = 200 pF?

The propagation delay is 30 ns when CL = 200 pF.

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