[Application Scheme] Special Chip Combination for Optical Module | AWINIC Launches Complete Solution for Power Supply + Signal Chain
2026-05-14
With the rapid expansion of AI computing power and data center, optical modules are rapidly iterating to 400g/800g/1.6T or even 3.2T, putting forward strict requirements for the design of power supply stability, signal integrity and miniaturization. Faced with the high requirements of mainstream solutions such as silicon light and EML for power ripple, signal bandwidth, accuracy and integration,Relying on the technical accumulation of power management (LDO/DC-DC/load switch) and signal chain (operational amplifier/Comparator/analog switch/level conversion/GPIO expansion), AWINIC is introducing a special chip combination adapted to optical module, covering the whole link from power input, voltage stabilization distribution, signal amplification and conditioning to monitoring and protection,And the package is ultra-small and ultra-thin, providing high-performance and highly reliable domestic chip selection for optical modules.
Figure 1: The optical module solution launched by Aiwei Electronics
PART 01 5 Typical Device Applications
1. Ultra-small package level conversion: AW39112FOR, AW39114MCU
Different from DSP's core levels, I2C and SPI communication levels do not match, and 1-2 level conversion chips are required for communication voltage adaptation.
Typical products: AW39112FOR(2 channels),AW39114FOR(4 channels)
Communication rate: 24Mbps (Push Pull),2Mbps (Open draft)
供电电：VCCA: 1.1V to 3.6 V，VCCB: 1.65 V to 5.5 V
Nanosecond-level signal delay
Ultra-small seal:
AW39112FOR：（FOWLP-8B 0.928mmX1.928mmX0.463mm）
AW39114FOR：（FOWLP-12B 1.87mmX1.37mmX0.587mm）
Figure 2 AW3911X Series Product Block Diagram
2. Small package load switch: AW35131ACSR, AW35141ADNR
Located at the first stage of the main power supply, it implements hot-swapping with soft-start functionality, thereby reducing transient voltage surges on the upstream optical equipment.
AW35131ACSR
Input voltage: 1.2V ~ 5.5V
Load current: 4A
Quiescent current: 3nA@3.3Vin
Rdson=22mR@3.3Vin
Ten=253µs, Tr=320µs
With QOD functionality:
Package: WLCSP-6B 1.355mm x 0.855mm x 0.55mm
Figure 3 AW35131ACSR product block diagram and PIN definition diagram
AW35141ADNR
Input voltage: Vbias = 2.5V ~ 5.5V,Vin = 0.6V ~ Vbias
Load current: 6A
Quiescent current: 20uA@3.3Vin
Rdson=19mR@3.3Vin
Ten = 980us,Tr = 560us
Has QoD functionality
Package: DFN-8L 2mm x 2mm x 0.75mm
Figure 4 AW35141ACSR product block diagram and PIN definition diagram
3. Low-Power Boost: AW36099CSR
It is used in the TOSA to supply the laser with a 4V power source, delivering a current of approximately 100 mA.
AW36099CSR
Input voltage: 0.8V ~ 5.2V
Low static power consumption: IQ 1μA
Output voltage: 2.5V ~ 5.5V
Output: ≥ 500mA @ VIN = 3V, VOUT = 4V
Integrated OVP, OTP, OCP, UVLO protection function
Package: WLCSP-6B 1.245mm x 0.885mm x 0.6mm
Figure 5 AW36099CSR product block diagram and PIN definition diagram
4. 16-channel GPIO expansion chip: AW95016ABGR
In the application of AI ultra-large-scale data center, XPO module will be used, which adopts the form of double PCBA buckle + Integrated Liquid cooling, so that the speed of the whole XPO module can reach 12.8Tbps or even higher. It has 64-channel PAM4 high-speed port inside, which increases the control and acquisition requirements exponentially, thus the IO port of MCU is very "tight",AW95016ABGR a small package 16 channel GPIO expansion chip, specifically designed for such applications.
AW95016ABGR
Power supply, I2C Port dual power supply: 1.65V-5.5V, flexible adaptation to front-end MCU
16-bit GPIO expansion, with I/O pins configurable as inputs or outputs.
GPIO can be configured as open-drain/push-pull, and its drive capability is programmable.
Supports a 1MHz high-speed I2C control interface
Package: BGA-24B 3mm x 3mm x 0.86mm
Figure 6 AW95016ABGR product block diagram and PIN definition diagram
5. Analog Switch: AW35321QNR
In the process of single board debugging, I2C will directly skip MCU to control the application of DSP and support high-speed applications.
AW35321QNR
Supply voltage: 2.3-5.5V
On-resistance: 0.5ohm
High bandwidth: 80MHz
Fast turn-on and turn-off duration: 100ns
Channel high isolation: 79db at 100kHz
Channel low crosstalk: 80 db at 100kHz
Working temperature:-40 ℃ ~ 105 ℃
Package: QFN-10L 1.8mm x 1.4mm x 0.55mm
Figure 7 AW35321QNR product block diagram and PIN definition diagram
PART 02 General Product Selection Related to Optical Modules
Table 1: General Product Selection Guide for Optical Modules
As a leading digital-analog hybrid, power management and signal chain chip enterprise in China, AWINIC has been deeply engaged in the field of digital-analog chips for many years. Aiming at the typical application scenarios of optical modules, it has created a complete solution of Power + signal chain with high reliability, low power consumption, high integration and ultra-small package, which can fully meet the power supply, signal conditioning and monitoring requirements of optical modules at different rates and different packages,Help customers achieve performance upgrades and domestic substitution.
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