HM5302
HM5302 is 2-Bit Voltage Translator / Isolator manufactured by H&M Semiconductor.
Dual-Supply, 2-Bit Voltage Translator / Isolator for
I2C Applications
General Description
The HM5302 is a high-performance configurable dual-voltage-supply translator for bi-directional voltage translation over a wide range of input and output voltages levels. The HM5302 also works in a push-pull environment.
It is intended for use as a voltage translator between I2C-Bus pliant masters and slaves. Internal 10KΩ pull-up resistors are provided.
The device is designed so the A port tracks the VCCA level and the B port tracks the VCCB level. This allows for bi-directional A/B-port voltage translation between any two levels from 1.65V to 5.5V. VCCA can equal VCCB from1.65V to 5.5V. Either VCC can be powered-up first. Internal power-down control circuits place the device in 3-state if either VCC is removed.
The two ports of the device have automatic direction-sense capability. Either port may sense an input signal and transfer it as an output signal to the other port.
Features
- Bi-Directional Interface between Any Two Levels:1.65V to 5.5V
- No Direction Control Needed
- Internal 10K Pull-Up Resistors
- System GPIO Resources Not Required when OE tied to VCCA
- I2C-Bus Isolation
- A/B Port VOL = 175m V (Typical), VIL = 150m V, IOL = 6m A
- Open-Drain Inputs / Outputs
- Works in Push Pull Environment
- Acmodates Standard-Mode and Fast-Mode I2C-Bus Devices
- Supports I2C Clock Stretching & Multi-Master
- Fully Configurable: Inputs and Outputs Track VCC
- Non-Preferential Power-Up; Either VCC Can Power-Up First
- Outputs Switch to 3-State if Either VCC is at GND
- Tolerant Output Enable: 5V
- Packaged in 8-Terminal Leadless Ultrathin QFN (1.2mm x 1.4mm)
- ESD Protection Exceeds:
- B Port: 8k V HBM ESD (vs. GND & vs. VCCB)
- All Pins: 4k V HBM ESD (per JESD22-A114)
- 2k V CDM (per JESD22-C101)
Pin Configuration
Pin Function
Pin No. 1 2,3 4 5 6,7...
