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HM11B1
Home / Products / CMOS Image Sensor / Always On Vision Sensors / HM11B1
HM11B1
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HM11B1 HD Sensor for Always On Vision Ultra Slim Camera Applications

Stacked BSI ▪ 1280 x 800 60FPS ▪ 1/11″ ▪ 40mW 720p60 ▪ <1mW AONV & Monitor Mode

The HM11B1 is an ultra-low power 1/11” HDCMOS image sensor designed with Himax Imaging Ultrasense-AoSTM stacked technology that delivers exceptional image quality performance and integration. The sensor package measures only 2.3mm x 1.5mm for module y-dimension as small as 2.2mm to support thin bezel HD notebook and small form factor IoT devices.

The HM11B1 consumes approximately 40mW at 60 frames per second operation and features sub-milliwatt readout modes and embedded Wake-on-Motion monitoring over the entire field of view. The HM11B1 ultra low power readout and sensing modes can be triggered by the host or operated autonomously to enable Always-On contextual awareness for next generation computer vision features, such as wake on human-detected approach.

To further reduce the camera power consumption and system latency, the HM11B1 offers fast boot up time, <50ms time to well-exposed frame output (typical case and includes 33ms exposure time assumption), context switching and instant frame update.

The HM11B1 is offered in Bayer RGB, 4×4 RGB-IR and White-IR filter array. The RGB-IR sensor can be used to support active illumination in dark conditions or support system authentication reliant on IR information. The sensor features separate analog gain amplifier for visible and IR channel to compensate for response differences in the scene illumination.

Additionally, the sensor offers flexible readout, including multiple sensor binning modes to reduce data bandwidth while improving signal to noise ratio, and option for visible only or IR only readout (RGB-IR sensor only). The HM11B1 supports MIPI-CSI2 interface and Serial Digital Interface (SDI) that can interface to a secondary AI CV processor. The data interfaces can run independently or simultaneously (dual mode). In dual mode, the sensor allows lower frame rate at SDI output while operating at 30 or 60 frames per second over the MIPI interface.

The HM11B1 supports 3 power supply configurations for the lowest power consumption, and support 2 supply or 1 supply configuration to simplify system power design. The sensor requires minimal passive components to enable a highly compact camera module design for next generation computing and smart camera devices.

Features
  • Ultra low power, 1/11” HD sensor with 0.9mW Wake on Motion mode and <50mW HD at 60FPS
  • Chip package of 2.3mm x 1.5mm to support 2.2mm module length for thin bezel devices
  • Embedded motion detection with digital interrupt output to wake external host processor
  • <50ms from trigger to well exposed frame using on-chip pre-metering function
  • Embedded Auto Exposure and Gain control loop
  • On-chip light level estimator
  • Pre-exposure provides well exposed first frame and after extended sleep (blanking) period
  • Automatic wake and sleep operation
  • Programmable event interrupt to wake host processor and enable efficient “Always On Vision” application
  • Quick mode switch and command update every frame
  • Highly flexible binning and subsampling mode with readout options for quad, color channel, visible channel and IR channel
  • Embedded line provides metadata frame, AE statistics, Motion detection statistics and other interrupt event information (Available in MIPI mode only)
  • On-chip high precision oscillator
  • I2C 2-wrie serial interface supporting burst operation for fast register access
  • Integrated Low Dropout (LDO) regulator to support dual 2.8 / 1.8V or single 2.8V operation
  • High CRA for low profile module design
  • 1-lane MIPI CSI2 and CMOS level serial video interface with support for single interface or concurrent dual interface operation
  • Supports programmable Spread Spectrum Clock Generation (SSCG) for MIPI DPHY

HM11B1

Sensor Parameters
Active Pixel Array 1280 x 800
Pixel Size / Technology 1.12 µm x 1.12 µm / BSI
Diagonal (Optical Format) 1.715 mm (1/11″)
Color Filter Array Bayer, RGBIR (4×4), W-IR
Frame Ratemax 60FPS 800p
Readout Modes Full (800p), Bin or Sub 2 / 4 / 8
S/N Ratiomax 34dB
Sensitivity @ 530nm Bayer
Sensitivity @ 530nm RGBIR
Sensitivity @ 530nm W-IR
656 mV / Lux-sec
598 mV / Lux-sec
TBD mV / [µW-sec/cm^2]
Sensitivity @ 850nm Bayer
Sensitivity @ 850nm RGBIR
Sensitivity @ 850nm W-IR
1938 mV / [µW-sec/cm^2]
1685 mV / [µW-sec/cm^2]
TBD mV / [µW-sec/cm^2]
Sensitivity @ 940nm Bayer
Sensitivity @ 940nm RGBIR
Sensitivity @ 940nm W-IR
932 mV / [µW-sec/cm^2]
1212 mV / [µW-sec/cm^2]
TBD mV / [µW-sec/cm^2]
CRA (maximum) 33.3º
Sensor Specifications
Supply Voltage Analog
Supply Voltage Digital
Supply Voltage I/O
2.8 V
1.1V (1.8V LDO option)
1.8V / 2.8V
Reference Clock (EXTCLK)
9 – 27 MHz (SCL=400 kHz)
16 – 27 MHz (SCL=1 MHz)
Internal Oscillator 48 MHz
Serial Interface I²C (1MHz max., single / burst)
Pixel Data Interface MIPI CSI2, SDI
Pixel Data Format
8-bit, 10-bit (MIPI-CSI2)
8-bit (SDI)
Power Consumption Monitor
Power Consumption RQQHD 3FPSGBIR
Power Consumption QHD 3FPS
Power Consumption HD 30FPS
Power Consumption HD 60FPS
912 µW
756 µW
1.26 mW
26.66 mW
40.03 mW
Package RW
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