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BG0836 1/2.7inch 1080P CMOS Image Sensor
BG0836 1/2.7inch 1080P CMOS
Imaging sensor application note
General Descriptions
BG0836 is a high performance 1/2.7 inch CMOS imaging
sensor with an active-pixel array of 1928H x 1088V.
Features
⚫
Support 1-Lane MIPI interface.
⚫
Trigger exposure operation: single and multi-
frame.
⚫
Auto black level calibration.
⚫
Maximum 30 frame per second.
Applications
⚫
Senior surveillance
⚫
Automobile data recorder
In the absence of confirmation by device specification sheets, BRIGATES takes no responsibility for any defects that may occur in equipment using any BRIGAGES
device shown in catalogs, data book, etc. Contact BRIGATES in order to obtain the latest device specification before using any BRIGATES device.
Key Parameter
Table 1 Key Specification
Parameter
Optical format
Active pixel array
Pixel size
Active pixel array Area
Frame rate
Color filter array
CRA
Shutter Type
Sensitivity@550nm
Dark current@60⁰C
SNR
max
Dynamic range
Output
Digital
IO
Power
supply
Analog
Pixel
Power Consumption
Temperature range
Package Option
1/ 24
V1.2
Typical Value
1/2.7inch
1928H x1088V
3.00um(H) x
3.00um(V)
5784um x
3264um
30fps@full frame
Bayer RGB
0°
Electronic Rolling
3.8V/(lux.sec)
10mV/s
36dB
65dB
12-bit DVP
1-Lane MIPI
1.42V~1.65V
1.7V~3.45V
3.15V~3.45V
3.15V~3.45V
TBD@30fps
-30 ~70 ⁰C
CSP
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Table of Contents
Summary of Contents for Bg BG0836
- Page 1 BG0836 1/2.7inch 1080P CMOS Image Sensor BG0836 1/2.7inch 1080P CMOS Imaging sensor application note General Descriptions Key Parameter BG0836 is a high performance 1/2.7 inch CMOS imaging Table 1 Key Specification sensor with an active-pixel array of 1928H x 1088V. Parameter Typical Value Optical format 1/2.7inch...
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Page 2: Table Of Contents
V1.2 BG0836 1/2.7 inch 1080P HD CMOS image sensor Table of Content General Descriptions ............................... 1 Features ................................... 1 Applications ..................................1 Key Parameter ................................. 1 PCB design guideline ..............................5 Package diagram ..............................5 Pin configuration ..............................6 Application circuits ..............................8 Power supply design ............................... - Page 3 V1.2 BG0836 1/2.7 inch 1080P HD CMOS image sensor List of Figures Figure 1 Mechanical Drawing ............................5 Figure 2 Pin configuration .............................. 6 Figure 3 Recommended schematic with MIPI interface ....................8 Figure 4 Recommended schematic with DVP interface ....................9 Figure 5 Recommend Power Tree（1.8V IO）...
- Page 4 V1.2 BG0836 1/2.7 inch 1080P HD CMOS image sensor List of Tables Table 1 Key Specification ............................... 1 Table 2 pin description ..............................6 Table 3 power supply requirement（MIPI mode） ......................9 Table 4 power supply requirement（DVP mode） ......................9 Table 5 IO level configuration ............................
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Page 5: Pcb Design Guideline
PCB design guideline This chapter presents PCB design rules. Package diagram Figure 1 shows BG0836 CSP package diagram, which defines mechanical size and the optical center. With the chip center（-64.210um，75.495um）, specific content please refer to the Top View. Figure 1 Mechanical Drawing... -
Page 6: Pin Configuration
V1.2 BG0836 1/2.7 inch 1080P HD CMOS image sensor Pin configuration D0/DN VDDA PCLK VDA15 D1/DP0 HSYNC VSYNC VSSD VSSD CLKIN VSSA VDDD /CKN /CKP TRIG VDDIO VSSA VDD15 VDD15 VDD15 RSTB VDD15 VDDA VSSA VDDPI VDDPI VSSA VDD15 VDD15... - Page 7 V1.2 BG0836 1/2.7 inch 1080P HD CMOS image sensor Data <5> Data <9> Digital ground VDA15 Analog 1.5V power supply D0/DN0 Data <0>/mipi dn0 D1/DP0 Data <1>/mipi dp0 IIC data VSSD Digital ground VSSD Digital ground Data <3> Data <6>...
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Page 8: Application Circuits
V1.2 BG0836 1/2.7 inch 1080P HD CMOS image sensor Digital ground VDDPIX Pixel power supply VSSA Analog ground VDDA Analog 3.3V power supply VSSA Analog ground VDDA Analog 3.3V power supply No connect Digital ground Digital ground VDD15 Digital 1.5V power supply VDDA Analog 3.3V power supply... -
Page 9: Power Supply Design
V1.2 BG0836 1/2.7 inch 1080P HD CMOS image sensor Figure 4 Recommended schematic with DVP interface Power supply design The range of VDDIO is 1.8V~3.3V. 1.8V is recommended. DCDC 3.3V Bead VDDA Bead VDDPIX Bead D3.3V 1.8V VDDIO Bead 1.5V VDDD Figure 5 Recommend Power Tree（1.8V IO）... -
Page 10: Table 4 Power Supply Requirement（Dvp Mode
V1.2 BG0836 1/2.7 inch 1080P HD CMOS image sensor VDDA 3.3V 30mA 0.1uF x4 VDDPIX 3.3V 10mA 0.1uF x2 VDDIO 1.8V~3.3V 0.1uF x1 VDA15 1.5V 20 mA 0.1uF x1 1.5V 50mA 0.1uF x4 Table 4 power supply requirement（DVP mode） power... -
Page 11: Pcb Notice
16-bit register address and 8-bit data message type. Figure 7 I2C write operation shows example of the write operation (Writing 0x012C register with 0x56 data). DSP is the master, BG0836 is the slave. The sequence is 11/ 24... -
Page 12: Figure 8 I2C Read Operation
STOP Figure 7 I2C write operation Figure 8 I2C read operation shows example of the reading operation (Reading data from 0x012C register). DSP is the master, BG0836 is the slave. The sequence defined as following: ⚫ The master sends a start bit to the slave. -
Page 13: Shadow Register
Optical Design Imaging direction The pixel (0, 0) of BG0836 is near the A10 pin of the package as shown in Figure 1 Mechanical Drawing. The default horizontal readout direction is scanning from A10 to A1. The default vertical readout direction is scanning from A10 to F10. -
Page 14: Mirror Function
Figure 9 Imaging a Scene Mirror function BG0836 supports row mirror and column mirror process, as shown in Figure 10. It is important to note that, output sequence and color filter might be changed after mirror operation. After mirror operation, Color Filter Pattern need to be adjusted. -
Page 15: Adjust The Wide And Frame Rate
Adjust the wide and frame rate CFA assignment The pixel array of BG0836 contains 1928Hx1088V active pixel. The color filters are arranged in the Bayer RGB pattern, as shown in Figure 11. The location of the pixels (0, 0) correspond to the pixel (0, 0) which is described in Imaging Direction section. -
Page 16: Pll Control
V1.2 BG0836 1/2.7 inch 1080P HD CMOS image sensor PLL control clkin fpll pln_p+2 pclkdiv+2 fpll=fvco pre-divider pclk_sel clkin pixclk pllclk_sel vco_fsel_p<1:0> pln_p<5:0> pclkdiv<2:0> fvco plm_p+2 fvco loop-divider plm_p<8:0> Figure 12 PLL block diagram The relationship between output is : Pclk frequency and clkin frequency ( plm + 2 ) ∗... -
Page 17: Adjust The Size
V1.2 BG0836 1/2.7 inch 1080P HD CMOS image sensor Table 12 Main System Clock control Name Address Width Function MCLK_CTRL 0x0048 Bit[7:4] mclkc Bit[1] reserved Bit[0] mclk option: 1: make mclk equal to clkin 0: make mclk equal to the... -
Page 18: Adjust The Exposure And Gain
V1.2 BG0836 1/2.7 inch 1080P HD CMOS image sensor is the frame time. �� In the figure below，�� is called porch back, it means time ������ ���� between vsync and the first image data. �� is called front porch, it means time ����... -
Page 19: Adjust The Gain
V1.2 BG0836 1/2.7 inch 1080P HD CMOS image sensor Table 15 Exposure control register Name Address Width Function TEXP_H 0x000c Bit[15:8] of Exposure length control register (row as unit) TEXP_L 0x000d Bit[7:0] of Exposure length control register (row as unit) -
Page 20: Adjust The Gain Strategy
(4) Write back to the Sensor internal registers through the I2C. Black level calibration BG0836 chip provides black level correction module. Its basic principle is using the black level reference pixel to correct the effective pixels for black level, to eliminate circuit, the environment temperature brought the black level drift. -
Page 21: Mipi
V1.2 BG0836 1/2.7 inch 1080P HD CMOS image sensor Figure 14 BLC Convergence signal MIPI BG0836 supports 1 lane MIPI output, it can reach 800Mbps. Table 19 mipi control register Name Address Width Function Bit[6:3]: Reserved Bit[2]: MIPI clock continuous enable, clock Lane output Continuously, valid high. -
Page 22: Others
Others IO adjust the drive ability BG0836 supports adjustment of IO drive capability. It is used to make the Sensor to adapt different load applications. The detailed information is shown in the table below: Table 20 Adjust the driving ability registers... -
Page 23: Fqa
V1.2 BG0836 1/2.7 inch 1080P HD CMOS image sensor Description Resolvent 23/ 24... -
Page 24: Revision History
V1.2 BG0836 1/2.7 inch 1080P HD CMOS image sensor Revision history Date version Page Description First edition 2017-09-08 1. Change the dark current from TBD to 10mV/s, SNR from 39DB to 36DB, dynamic range from 70 DB to 2017-12-12 65DB.