LC76GPAMD
The LC76GPAMD is an electronic component from Quectel. View the full LC76GPAMD datasheet below including key specifications, absolute maximum ratings.
Manufacturer
Quectel
Category
RF and Wireless
Package
28-SMD Module
Lifecycle
Active
Key Specifications
| Parameter | Value |
|---|---|
| Antenna Type | Antenna Not Included |
| Data Rate | 115.2kbps |
| Frequency | 1.561GHz, 1.575GHz, 1.602GHz |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 28-SMD Module |
| Packaging | Cut Tape |
| Protocol | BeiDou, Galileo, GLONASS, GPS, GNSS |
| RF Family/Standard | Navigation |
| Sensitivity | -166dBm |
| Serial Interfaces | I2C, UART |
| Standard Pack Qty | 500 |
| Utilized IC / Part | AG3352Q |
| Supply Voltage | 2.55V ~ 3.6V |
Overview
Part: LC76G Series from Quectel Wireless Solutions Co., Ltd.
Type: GNSS Module Series
Description: A series of GNSS modules supporting various constellations and augmentation systems, featuring multiple communication interfaces and power modes.
Operating Conditions:
Absolute Maximum Ratings:
Key Specs:
Features:
- Supports multiple GNSS constellations
- Supports augmentation systems (SBAS, AGNSS, EASY, EPO)
- Multi-Tone AIC (Active Interference Cancellation)
- Geofencing functionality
- Firmware upgrade capability
- ALP (Adaptive Low Power) mode
- UART, SPI, and I2C communication interfaces
- 1PPS output
- GEOFENCE and 3D_FIX pins
Applications:
Package:
Features
- ⚫ The single-band, multi-constellation GNSS module series features a high-performance, high reliability positioning engine facilitating fast and precise GNSS positioning.
- ⚫ The LC76G (AB) is designed to meet standard application requirements while operating at 3.3 V, while the LC76G (PA) and the LC76G (PB) are super low power consumption variants operating at 3.3 V and 1.8 V respectively.
- ⚫ Supported serial communication interfaces: UART, SPI* and I2C.
- ⚫ Supported advanced power saving modes: Backup mode and ALP mode.
- ⚫ The embedded low-power algorithms make the LC76G series module suitable for different application scenarios.
- ⚫ EASY technology facilitates achieving a faster Time to First Fix (TTFF) in either hot or warm start.
- ⚫ The integrated flash memory provides the capacity for storing user-specific configurations and future firmware upgrades.
The LC76G is a series of SMD type modules with a compact form factor of 10.1 mm × 9.7 mm × 2.4 mm. They can be embedded in your applications through 18 LCC pins and 10 LGA pins.
The LC76G series is fully compliant with the EU RoHS Directive.
Pin Configuration
The module is equipped with 28 pins (18 LCC pins and 10 LGA pins) by which it can be mounted on your PCB.
Figure 2: Pin Assignment
Table 5: I/O Parameter Definition
| Type | Description |
|---|---|
| AI | Analog Input |
| DI | Digital Input |
| DO | Digital Output |
| DIO | Digital Input/Output |
| PI | Power Input |
| PO | Power Output |
Table 6: Pin Description
| Function | Name | No. | I/O | Description | DC Characteristics | Remarks |
|---|---|---|---|---|---|---|
| Power | VCC | 8 | PI | Main power supply | For LC76G (AB, PA): V I min = 2.55 V V I nom = 3.3 V V I max = 3.6 V For LC76G (PB): V I min = 1.75 V V I nom = 1.8 V V I max = 1.98 V | Provides clean and steady voltage. |
| I/O | VBCKP TXD | 6 2 | PI DO | Backup power supply for backup domain Transmits data | V I max = 3.6 V For LC76G (PB): V I min = 1.65 V V I nom = 1.8 V V I max = 3.6 V For LC76G (AB, PA): V OL max = 0.4 V V OH min = 2.4 V For LC76G (PB): V OL max = 0.27 V V min = 1.53 V | connected to power supply for startup, and it should always be powered if hot (warm) start is needed. UART interface supports RTCM message, standard NMEA message, PAIR/PQTM message, binary data and firmware upgrade. |
Table 6: Pin Description
| Function | Name | No. | I/O | Description | DC Characteristics | Remarks |
|---|---|---|---|---|---|---|
| RXD | 3 | DI | Receives data | |||
| DSEL | 24 | DI | Selects the interface to download | For LC76G (AB, PA): V IL min = -0.3 V V IL max = 0.8 V V IH min = 2 V V IH max = VCC + 0.3 V For LC76G (PB): | DSEL is internally pulled down by default. High level: select SPI to download; Low level: select UART to download. | |
| SPICLK* | 25 | DI | SPI clock | V IL min = -0.3 V V IL max = 0.45 V | ||
| SPICS* | 20 | DI | SPI chip-select | V IH min = 1.35 V | SPI supports RTCM message, standard NMEA message, PAIR/PQTM | |
| SPIMOSI* | 27 | DI | SPI master out; slave in | V IH max = VCC + 0.3 V | message and firmware | |
| SPIMISO* | 26 | DO | SPI master in; slave out | For LC76G (AB, PA): V OL max = 0.4 V V OH min = 2.4 V For LC76G (PB): V OL max = 0.27 V V OH min = 1.53 V | upgrade. In this case, the module requires a four-wire SPI (SPIMOSI, SPIMISO, SPICLK and SPICS). | |
| I2CSCL | 17 | DI | I2C serial clock | For LC76G (AB, PA): V IL min = -0.3 V V IL max = 0.8 V V IH min = 2 V V IH max = VCC + 0.3 V | ||
| I2CSDA | 16 | DIO | I2C serial data | V OL max = 0.4 V V OH min = 2.4 V For LC76G (PB): V IL min = -0.3 V V IL max = 0.45 V V IH min = 1.35 V | I2C interface supports RTCM message, standard NMEA message and PAIR/PQTM message. | |
| GEOFENCE | 21 | DO | Indicates geofence status | V IH max = VCC + 0.3 V V OL max = 0.27 V V OH min = 1.53 V For LC76G (AB, PA): V OL max = 0.4 V V OH min = 2.4 V For LC76G (PB): V max = 0.27 V | Once the pin is activated, the receiver continuously compares its current position to the preset geofence area. If unused, leave the pin N/C | |
| Function | Name | No. | I/O | Description | DC Characteristics | Remarks |
| JAMIND* | 22 | DO | Jamming indication | For LC76G (AB, PA): V OL max = 0.4 V | If unused, leave the pin N/C. | |
| 1PPS | 4 | DO | One pulse per second | V OH min = 2.4 V For LC76G (PB): | Synchronized on the rising edge. If unused, leave the pin N/C. | |
| 3DFIX* | 23 | DO | 3D position fix indication | V OL max = 0.27 V V OH min = 1.53 V | If unused, leave the pin N/C. | |
| RFIN | 11 | AI | GNSS antenna interface | - | 50 Ω characteristic impedance. | |
| ANTON | 13 | DO | Power control for external LNA or active antenna in power saving mode | For LC76G (AB, PA): V OL max = 0.4 V V OH min = 2.4 V For LC76G (PB): V OL max = 0.27 V V OH min = 1.53 V | The pin outputs high-level signal in Continuous and ALP modes, and low-level signal in Backup mode. If unused, leave the pin N/C. | |
| ANT | VDDRF | 14 | PO | Supplies power for external RF components | V O nom = VCC | VDDRF = VCC. The output current capacity depends on VCC. Typically used for powering an external active antenna or LNA. |
| System | RESETN | 9 | DI | Resets the module | For LC76G (AB, PA): V IL min = -0.3 V V IL max = 0.45 V V IH min = 1.8 V V IH max = 3.6 V For LC76G (PB): V IL min = -0.3 V V IL max = 0.45 V V IH min = 1.35 V V IH max = 2.1 V | Active low. The pin belongs to the backup domain. |
| GND | GND | 1, 10, 12, 28 | - | Ground | - | Ensure a good GND connection to all module GND pins, preferably with a large ground plane. |
| RESERVED | RESERVED | 5, 7, 15, 18, 19 | - | Reserved | - | These pins must be left floating and cannot be connected to power or GND. |
- To ensure that the module enters the normal operating mode, it is necessary that GEOFENCE and 3DFIX* pins cannot be pulled up within 50 ms after the module is reset or powered on.
- Leave RESERVED and unused pins N/C.
Absolute Maximum Ratings
Absolute maximum ratings for power supply and voltage on digital pins of the module are listed in table below.
Table 10: Absolute Maximum Ratings for LC76G (AB) and LC76G (PA)
| Parameter | Description | Min. | Max. | Unit |
|---|---|---|---|---|
| VCC | Main Power Supply Voltage | -0.3 | 3.63 | V |
| V_BCKP | Backup Supply Voltage | 0 | 3.63 | V |
| V IN _IO | Input Voltage at I/O Pins | -0.3 | 3.63 | V |
| P RF_IN | Input Power at RF_IN | - | 0 | dBm |
| T_storage | Storage Temperature | -40 | 90 | ° C |
Table 11: Absolute Maximum Ratings for LC76G (PB)
| Parameter | Description | Min. | Max. | Unit |
|---|---|---|---|---|
| VCC | Main Power Supply Voltage | -0.3 | 1.98 | V |
| V_BCKP | Backup Supply Voltage | 0 | 3.63 | V |
| V IN _IO | Input Voltage at I/O Pins | -0.3 | 1.98 | V |
| P RF_IN | Input Power at RF_IN | - | 0 | dBm |
| T_storage | Storage Temperature | -40 | 90 | ° C |
Table 11: Absolute Maximum Ratings for LC76G (PB)
Stressing the device beyond the 'Absolute Maximum Ratings' may cause permanent damage. The product is not protected against over-voltage or reversed voltage. Therefore, it is necessary to use appropriate protection diodes to keep voltage spikes within the parameters given in the table above.
Recommended Operating Conditions
All specifications are at an ambient temperature of +25 ° C. Extreme operating temperatures can significantly impact the specified values. Applications operating near the temperature limits should be tested to ensure specification validity.
Table 12: Recommended Operating Conditions for LC76G (AB) and LC76G (PA)
| Parameter | Description | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| VCC | Main Power Supply Voltage | 2.55 | 3.3 | 3.6 | V |
| V_BCKP | Backup Supply Voltage | 1.65 | 3.3 | 3.6 | V |
| IO_Domain | Digital I/O Pin Voltage Domain | - | VCC | - | V |
| V IL | Digital I/O Pin Low-level Input Voltage | -0.3 | - | 0.8 | V |
| V IH | Digital I/O Pin High-level Input Voltage | 2 | - | VCC + 0.3 | V |
| V OL | Digital I/O Pin Low-level Output Voltage | - | - | 0.4 | V |
| V OH | Digital I/O Pin High-level Output Voltage | 2.4 | - | - | V |
| RESET_N | Low-level Input Voltage | -0.3 | - | 0.45 | V |
| RESET_N | High-level Input Voltage | 1.8 | - | 3.6 | V |
| VDD_RF | VDD_RF Output Voltage | - | VCC | - | V |
| I VDD_RF | VDD_RF Output Current | - | - | 100 | mA |
| T_operating | Operating Temperature | -40 | 25 | +85 | ° C |
Table 12: Recommended Operating Conditions for LC76G (AB) and LC76G (PA)
Table 13: Recommended Operating Conditions for LC76G (PB)
| Parameter | Description | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| VCC | Main Power Supply Voltage | 1.75 | 1.8 | 1.98 | V |
| V_BCKP | Backup Supply Voltage | 1.65 | 1.8 | 3.6 | V |
| IO_Domain | Digital I/O Pin Voltage Domain | - | VCC | - | V |
| V IL | Digital I/O Pin Low-level Input Voltage | -0.3 | - | 0.45 | V |
| V IH | Digital I/O Pin High-level Input Voltage | 1.35 | - | VCC + 0.3 | V |
| V OL | Digital I/O Pin Low-level Output Voltage | - | - | 0.27 | V |
| V OH | Digital I/O Pin High-level Output Voltage | 1.53 | - | - | V |
| RESET_N | Low-level Input Voltage | -0.3 | - | 0.45 | V |
| RESET_N | High-level Input Voltage | 1.35 | - | 2.1 | V |
| VDD_RF | VDD_RF Output Voltage | - | VCC | - | V |
| I VDD_RF | VDD_RF Output Current | - | - | 100 | mA |
| T_operating | Operating Temperature | -40 | 25 | +85 | ° C |
- Operation beyond the 'Operating Conditions' is not recommended and extended exposure beyond the 'Operating Conditions' may affect device reliability.
- Digital I/O Pin refers to all digital pins specified in Table 6: Pin Description except RESET_N.
Related Variants
The following components are covered by the same datasheet.
| Part Number | Manufacturer | Package |
|---|---|---|
| LC76GABMD | Quectel | — |
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