Str-z2062 Datasheet _best_ May 2026

The STR-Z2062 is a specialized PWM (Pulse Width Modulation) controller integrated circuit (IC) that includes a built-in power switch, designed primarily for use in the power management units of laser printers. Manufactured by Sanken Electric Co., Ltd. , this IC is a critical component for stabilizing output voltages through pulse-width stabilization methods. Key Specifications and Features Go to product viewer dialog for this item.

is engineered to handle high-frequency switching tasks while maintaining efficiency in compact printer power supplies.

Function: PWM controller with a built-in power switch for DC power board supplies.

Package Type: SIP 15-pin (Single In-line Package), which allows for vertical mounting to save PCB space.

Output Wattage: Capable of supporting up to 100 Watts in specific printer configurations.

Protection: Features circuitry to prevent voltage drops or overload, ensuring stable power delivery to sensitive printer electronics. Typical Applications

This IC is widely utilized in the power supply boards (PSUs) of several popular HP and Canon laser printer models:

HP LaserJet Series: M1005, 1200, 1300, 1150, 3015, 3020, and 3030. Canon Series: LBP 1210. Technical Breakdown of the SIP-15 Package

The 15-pin configuration is designed for complex power management, including feedback loops for voltage regulation and various safety triggers. While the specific pinout functions are detailed in the technical datasheet, typical SIP-15 power ICs of this series include pins for:

Drain/Source: Primary connections for the internal power MOSFET.

VCC: The supply voltage for the IC's internal control circuitry.

Feedback (FB): Used to monitor the output voltage and adjust the PWM duty cycle accordingly.

Overcurrent Protection (OCP): Senses current levels to prevent damage during a short circuit. Common Troubleshooting and Repair str-z2062 datasheet

When a printer fails to power on or experiences fluctuating power, the

is often the primary suspect. Technicians frequently replace this IC to fix "dead" power boards.

Symptoms of Failure: Printer not starting, intermittent power loss, or a high-pitched whining noise from the power supply.

Replacement: Because it is a 15-pin SIP component, replacement requires careful desoldering of the old chip and ensuring the new chip is securely soldered to avoid thermal issues or cold joints.

is a specialized power management integrated circuit (IC) primarily used as an inverter in HP LaserJet power supplies. It functions as a Pulse Width Modulation (PWM) controller and high-power switching transistor in a single package. Key Specifications and Functions : Integrated PWM controller and power MOSFET. Application : Found in printers like the HP LaserJet 3380

: Converts DC voltage into impulse current for the pulse transformer (T501), commuting the primary winding via pins 1 and 4. Practical Usage Tips Common Failure

: If your HP printer won't turn on or has power issues, this chip is a frequent culprit on the power board. Replacement

: It is available as a standalone part for board-level repairs, though replacing the entire power supply unit is a common alternative for DIYers. Pinout Info

: In standard HP schematics, the primary switching occurs between Pin 1 and Pin 4.

STR-Z2062 Datasheet

Overview

The STR-Z2062 is a power IC (integrated circuit) designed for use in switching power supplies, particularly in quasi-resonant (QR) and discontinuous conduction mode (DCM) flyback converters. Manufactured by Sanken Electric Co., Ltd., this IC aims to provide a highly efficient, compact, and reliable solution for power supply applications. The STR-Z2062 is a specialized PWM (Pulse Width

Features

Specifications

Applications

The STR-Z2062 is suitable for various applications, including:

Functional Description

The STR-Z2062 integrates a power MOSFET, a quasi-resonant controller, and protections in a single package. It operates by controlling the switching of the MOSFET to regulate the output voltage. The quasi-resonant operation allows the converter to achieve high efficiency by minimizing switching losses.

Package Information

The STR-Z2062 is available in a standard 8-pin package, allowing for easy mounting on a printed circuit board (PCB).

Conclusion

The STR-Z2062 from Sanken Electric Co., Ltd. offers a comprehensive solution for designers looking to implement efficient, compact, and reliable power supplies. Its features, such as quasi-resonant operation, high breakdown voltage, and integrated protections, make it an ideal choice for a wide range of power supply applications.

Note: For detailed specifications, applications, and safety concerns, refer to the official datasheet provided by the manufacturer.

The story of the is a classic "unsung hero" tale of consumer electronics. This tiny 15-pin component, manufactured by Sanken Electric, is the "beating heart" inside millions of legendary office workhorses like the HP LaserJet 3015 Go to product viewer dialog for this item. , Go to product viewer dialog for this item. , and Go to product viewer dialog for this item. . The Secret Identity Specifications

To the average office worker, the printer is just a box that spits out paper. But to a technician, the

is a sophisticated PWM (Pulse-Width Modulation) Controller with a built-in power switch. Its job is to take the chaotic high voltage from your wall outlet and "tame" it into the precise, stable DC voltages required by the printer's sensitive processor and laser scanners. The Conflict: "No Power"

The story often takes a dark turn when a printer refuses to turn on. For many DIY repairers, this begins a quest for the elusive "burned resistor" or "blown capacitor".

The Culprit: Often, after a power surge or years of heat stress, the fails internally.

The Mystery: Technicians frequently search for the STR-Z2062 circuit diagram only to find it's a "black box"—proprietary tech that keeps its internal secrets hidden. Technical Stats (The "Power Level")

According to its technical specs, this chip is built for endurance:

Package: SIP 15-pin or ZIP13 (Through-hole design for better heat dissipation). Specialty: Stabilization of output voltages via PWM.

Guardian Features: It includes internal safeguards to prevent overload and fluctuating power from frying the rest of the machine. The Resolution Str-z2062 Datasheet

STR-Z2062 Pinout (Pin Configuration)

The STR-Z2062 datasheet specifies a 7-pin SIP (Single Inline Package) or a TO-220F-7 isolated package. Below is the standard pin assignment viewed from the front (marked side) of the IC.

| Pin No. | Name | Description | |---------|------|-------------| | 1 | VCC | Control IC power supply input (typically 15V–24V) | | 2 | GND | Ground reference for control circuitry | | 3 | FB | Feedback pin – receives signal from optocoupler for voltage regulation | | 4 | NC | No connection (or used for internal test) | | 5 | OCP/BD | Overcurrent protection / Burst discharge pin | | 6 | D | Drain pin – connected to internal MOSFET’s drain and primary transformer | | 7 | S | Source pin – connected to current sense resistor and primary ground |

Note: Some non-isolated variants may have different assignments. Always verify with the official Sanken datasheet for your exact revision.

Typical use cases

Oscillator

str-z2062 datasheet