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Specifications
Mfr. Part #:
TMD27553M
Package:
SMD-6P
Key Attributes
Model Number:
TMD27553M
Product Description
Product Overview
The TMD2755 is a compact ALS + Proximity Sensor Module featuring proximity detection and digital ambient light sensing (ALS). Its ultra-narrow 1.1mm module integrates an IR VCSEL and a factory-calibrated VCSEL driver. The proximity function detects objects by sensing reflected IR energy, with interrupt-driven detect/release events and adjustable offset to mitigate unwanted reflections. Automatic ambient light subtraction enhances proximity results. Both ALS and IR photodiodes offer 16-bit data conversion for accurate ambient light measurement, enabling illuminance calculations for display backlight control.
Product Attributes
- Brand: ams OSRAM Group
- Product Name: TMD2755 ALS + Proximity Sensor Module
Technical Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions |
| Electrical Characteristics | ||||||
| Supply Voltage to Sensor | VDD | 1.7 | 1.8 | 1.98 | V | |
| Supply Voltage to IR Emitter | VDD3 | 2.9 | 3.3 | 3.6 | V | |
| Operating Ambient Temperature | TA | -30 | 85 | C | ||
| Oscillator Frequency | fOSC | 7.9 | 8.1 | 8.3 | MHz | |
| Supply Current (Active Proximity State) | IDD | 360 | A | (PON=1) | ||
| Supply Current (Active ALS State) | IDD | 80 | A | (PON=1) | ||
| Supply Current (Idle State) | IDD | 35 | A | (PON=1) | ||
| Supply Current (Sleep State) | IDD | 0.6 | A | (PON = 0) | ||
| Output Low Voltage (INT, SDA) | VOL | 0.6 | V | 6mA Sink Current | ||
| Leakage Current (SDA, SCL, INT) | ILEAK | -5 | 5 | A | ||
| Input High Voltage (SCL, SDA) | VIH | 1.26 | V | |||
| Input Low Voltage (SCL, SDA) | VIL | 0.54 | V | |||
| Time from Power-On to Ready to Receive IC Commands | tActive | 1.5 | ms | |||
| ALS Optical Characteristics | ||||||
| CH0 ALS Sensitivity (Warm White LED @ 8W/cm2) | 2600 | counts | AGAIN = 128x, ATIME = 100ms | |||
| CH0 ALS Sensitivity (Warm White LED @ 8W/cm2) | 21320 | counts | AGAIN = 1024x, ATIME = 100ms | |||
| CH1 ALS Sensitivity (940nm LED @ 21.1W/cm2) | 1483 | counts | AGAIN = 128x, ATIME = 100ms | |||
| CH1 ALS Sensitivity (940nm LED @ 21.1W/cm2) | 12160 | counts | AGAIN = 1024x, ATIME = 100ms | |||
| ALS Integration Step Size | 2.68 | 2.78 | 2.90 | ms | ||
| ALS CH0 / CH1 Dark Count (0W/cm2) | 0 | 1 | 2 | counts | AGAIN = 1024x, ATIME = 50ms | |
| ALS 16x Gain Scaling Relative to 128x | 0.125 | x | ||||
| ALS 1024x Gain Scaling Relative to 128x | 8.2 | x | ||||
| Proximity Optical Characteristics | ||||||
| Response: Absolute | 115 | counts | PGAIN1 = 4x; PGAIN2 = 2.5x; PLDRIVE = 7mA; PPULSE = 2 pulses; PPULSE_LEN = 40s; HW Averaging = 8; BINSRCH_TARGET = 15; APC = disabled; Target material: 18% reflective surface; No glass above module; Target Size: 100mm x 100mm; Target Distance: 30mm | |||
| Part to Part Variation | 25 | % | Same as Response: Absolute except target is 51mm diameter diffusor | |||
| Response: No target | 5 | 13 | 20 | counts | Same as Response: Absolute except no target | |
2506271204_AMS-TMD27553M_C7604224.pdf
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