
Hitachi's high-voltage technology from 35V to 285V and analog expertise is applied to the wide field.
Advanced technologies such as various IPs and packages are ready. Hitachi's custom-IC solution enables to minimize the size of equipments and improve their performance.
By providing the unified service including the specification decision, flexible production and guarantee of quality, Hitachi supports customers in every aspect of IC development.
Hitachi's high-voltage technology covers wide-range of voltages from 35V to 285V. Optimized custom-IC solution can be offered, depending on its application.

[ BCD : Bipolar CMOS DMOS ]
[ SOI : Silocon On Insulator ]
Various interface IPs such as SPI, and analog IPs such as ADCs which are mandatory in high-voltage ICs need and regulator circuits are ready for customer's demand. Thus the custom IC solutions satisfy customers in price, too.
As for packaging, Hitachi can provide not only standard packages but also custom types, such as SIP and MCM is possible.
The following are the development cases with the custom IC that uses Hitachi's high-voltage and analog technology.

1) High Voltage PWM Controller
2) 0.35µm 210V SOI
3) LV : 5V, HV : 50V - 100V
4) CLK Frequency :10KHz
Customization
• Multi - channel
• Built - in level shift
• Embedded abnormal state detector
Hitachi has abundant custom IC development results.
| Product | Application | Feature | Device |
|---|---|---|---|
| HV LINEAR AMP IC | Piezo Actuator Drive(200Vpp) | Low Distortion Built-In DCDC Controller |
0.35µm 210V SOI |
| HV Pulse AMP IC | Supersonic Transducer Drive(20MHz) High Speed and High Voltage Capacitive Drive |
Precise Symmetric Wave High Density |
|
| Pre-Driver IC | IGBT Driver | Substrate Isolated Structure | 0.25µm 35V SOI |
| Regulator Controller IC | Generator Current Monitor Charge Voltage Control |
Controller Unification | 0.35µm 35V BCD |
| Power Supply Sensor IC | Battery Voltage Monitor Product Life Prediction |
Processor Unification |
[Ex.1] Customized IC results in the reduction of electric components and decrease the module size.

[Ex.2] Customized IC results in the cost reduction
Customized IC can easily decrease the components of the electric module and the overall cost reduction will be possible.
[Ex.3] Customized IC improves the performance of your product
Customized IC can easily suit the optimum functionality of the electric module and the performance of your products can be improved.
1. Development Flow
Hitachi provides cordial service to satisfy
the customer's demand. 
2. Support System
Hitachi supports customer in every
aspect of IC development.
1) LSI package analysis
2) LSI device analysis
• Analysis of fault detection
• Analysis of ultra-thin layer structure
• Analysis of surface chemical bond
3) FIB (*) metal correction
4) Local area grinder to expose the defect
layer
(*) FIB : Focused Ion Beam