Features
The HV9912NG-G is a versatile DC-DC converter designed for LED driver applications. Key features include:
Buck, Boost, Buck-boost, and SEPIC topology support.
Closed-loop control for output current regulation.
High PWM dimming ratio for flexible lighting control.
Internal 90V linear regulator with extensibility using external Zener diodes.
Built-in voltage reference and constant frequency operation.
These features make the HV9912NG-G an efficient choice for LED drivers and other power management applications.
Package
The HV9912NG-G has a Package type of SOP16.
Pinout
The HV9912NG-G is a DC-DC controller with a pin count of 1
The functions include:
Power input (VIN).
Output voltage control (VOUT).
Enable control (EN).
Gate drive (GD).
Short circuit protection (SCP).
Hiccup mode (HM).
Synchronization (SUS).
Frequency compensation (FC).
Temperature compensation (TC).
1
Brown-out detection (BOD).
1
Voltage reference input (VREFIN).
1
Voltage reference output (VREFOUT).
1
Linear regulator input (LDOIN).
1
Linear regulator output (LDOOUT).
These pins facilitate communication, control, and protection in the converter circuit.
Manufacturer
The manufacturer of the HV9912NG-G is Microchip Technology Inc. Microchip is a semiconductor company that specializes in developing integrated circuits, including those used for power management and control applications.
Applications
The HV9912NG-G is designed for LED driver applications, such as street lighting, automotive, and general illumination. Its versatility also allows use in voltage regulation, power management, and industrial control systems.
Equivalent
The equivalent product of HV9912NG-G is HV9911, as both are DC-DC converters with similar functionalities.
Specifications
| Category |
Integrated Circuits (ICs)Power Management (PMIC)LED Drivers |
Type |
DC DC Controller |
| Topology |
SEPIC, Step-Down (Buck), Step-Up (Boost) |
Internal Switch(s) |
No |
| Number of Outputs |
1 |
Voltage - Supply (Min) |
9V |
| Voltage - Supply (Max) |
100V |
Voltage - Output |
- |
| Current - Output / Channel |
- |
Frequency |
106kHz, 580kHz |
| Dimming |
Analog, PWM |
Applications |
Backlight, Lighting |
| Operating Temperature |
-40°C ~ 125°C (TA) |
Mounting Type |
Surface Mount |
| Base Product Number |
HV9912 |
Product Category |
LED Lighting Drivers |
| Mounting Style |
SMD/SMT |
Output Current |
18 uA |
| Input Voltage, Min |
9 V |
Input Voltage, Max |
90 V |
| Operating Frequency |
580 kHz |
Output Voltage |
Adjustable |
| Minimum Operating Temperature |
- 40 C |
Maximum Operating Temperature |
+ 85 C |
| Features |
PWM Dimming, Short Circuit and Thermal Protection |
For Use With |
High Current LEDs |
| High Level Output Current |
200 mA |
Input Voltage |
9 V to 90 V |
| Low Level Output Current |
400 mA |
Moisture Sensitive |
Yes |
| Number of Channels |
1 Channel |
Pd - Power Dissipation |
1200 mW |
| Product Type |
LED Lighting Drivers |
Factory Pack Quantity |
45 |
| Subcategory |
Driver ICs |
Supply Current - Max |
1.5 mA |
| Unit Weight |
0.019312 oz |
Package/Case |
SOP16
|
HV9912NG-G FAQs
1.Q: What is the maximum output current of this Microchip LED Driver IC?
A: The high-level output current is 200mA, and the low-level output current is 400mA.
2.Q: What certifications does this Microchip LED Driver IC comply with?
A: It is RoHS-compliant, but specific industry certifications (e.g., UL, CE) depend on the final application design.
3.Q: What is the package type of this Microchip LED Driver IC?
A: It comes in a 16-pin SOIC (3.90mm width) surface-mount package.
4.Q: What is the operating temperature range of this Microchip LED Driver IC?
A: It operates from -40°C to +85°C, suitable for industrial environments.
5.Q: Does this Microchip LED Driver IC support PWM dimming?
A: Yes, it supports analog/PWM dimming for brightness control of connected LEDs.
6.Q: What is the absolute maximum input voltage for this Microchip LED Driver IC?
A: The absolute maximum input voltage is 90V. Exceeding this may damage the device.
7.Q: What is the typical application circuit for this Microchip LED Driver IC?
A: The IC can be configured in SEPIC, Buck, or Boost topologies for driving high-current LEDs, with external inductor, diode, and capacitors as per the datasheet reference design.
8.Q: What are the key features of the Microchip LED Driver IC (16-SOIC) with SEPIC/Buck/Boost topology?
A: Key features include: 1 Output, 9V-90V input range, adjustable output voltage, PWM dimming, 580kHz switching frequency, and built-in short-circuit/thermal protection.
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