adrian95 / RFFM6901

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Part Review and Datasheet Update

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4:10

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Analyzing the PCB layout.

Looking for "RFFM6901 complete pin table with pin number pin name and description or function for all pins including NC and ground pins" in da000811

Looking for "RFFM6901 key electrical specifications RF performance power supply recommended operating conditions and application implementation notes" in da000811

Addressing pin count discrepancies.

Analyzing the schematic.

Analyzing the PCB layout.

18h

Set Datasheet URL to "https://www.qorvo.com/product...", Set Manufacturer Name to "Qorvo", and 5 more

Set Datasheet URL to "https://www.qorvo.com/products/d/da000811"

Set Manufacturer Name to "Qorvo"

Set Package or Case Code to "LGA-32"

Set Part Type to "RF Front-End Module"

Set Operating Voltage to "2.8–4.2"

Set Frequency to "868–928"

Set Max Current to "450"

18h

Updated project description

Updated to: "868–928 MHz ISM-band RF front-end module with 1 W PA, LNA/bypass, and diversity antenna switch in 32-pin LGA package"

18h

Set Pin Type to "Ground" on GND, GND, GND, and 9 more, Set Pin Description to "Ground" on GND, GND, GND, and 9 more, and 44 more changes

Set GND's Pin Type to "Ground"

Set GND's Pin Description to "Ground"

Set GND's Section to "Ground"

Set GND's Pin Group to "Ground"

Set GND's Pin Orientation to "Bottom"

Set RFIO's Pin Type to "Bi-Directional"

Set RFIO's Pin Description to "868/900 MHz RFIO, DC blocked"

Set RFIO's Section to "RF"

Set RFIO's Pin Group to "RFIO"

Set RFIO's Pin Orientation to "Left"

Set GND's Pin Type to "Ground"

Set GND's Pin Description to "Ground"

Set GND's Section to "Ground"

Set GND's Pin Group to "Ground"

Set GND's Pin Orientation to "Bottom"

Set NC's Pin Type to "Not Connected"

Set NC's Pin Description to "Not connected in FEM"

Set NC's Section to "NC"

Set NC's Pin Group to "NC"

Set NC's Pin Orientation to "Left"

Set GND's Pin Type to "Ground"

Set GND's Pin Description to "Ground"

Set GND's Section to "Ground"

Set GND's Pin Group to "Ground"

Set GND's Pin Orientation to "Bottom"

Set CTL1's Pin Type to "Input"

Set CTL1's Pin Description to "ANT select control"

Set CTL1's Section to "Control"

Set CTL1's Pin Group to "CTL"

Set CTL1's Pin Orientation to "Left"

Set CTL2's Pin Type to "Input"

Set CTL2's Pin Description to "Tx/Rx select control"

Set CTL2's Section to "Control"

Set CTL2's Pin Group to "CTL"

Set CTL2's Pin Orientation to "Left"

Set CTL3's Pin Type to "Input"

Set CTL3's Pin Description to "LNA select control"

Set CTL3's Section to "Control"

Set CTL3's Pin Group to "CTL"

Set CTL3's Pin Orientation to "Left"

Set CTL4's Pin Type to "Input"

Set CTL4's Pin Description to "Power-down select control"

Set CTL4's Section to "Control"

Set CTL4's Pin Group to "CTL"

Set CTL4's Pin Orientation to "Left"

Set CTL5's Pin Type to "Input"

Set CTL5's Pin Description to "PA high-bias control"

Set CTL5's Section to "Control"

Set CTL5's Pin Group to "CTL"

Set CTL5's Pin Orientation to "Left"

Set VDIG's Pin Type to "Power In"

Set VDIG's Pin Description to "Digital VCC supply"

Set VDIG's Section to "Power"

Set VDIG's Pin Group to "VDIG"

Set VDIG's Pin Orientation to "Top"

Set LNA_VCC's Pin Type to "Power In"

Set LNA_VCC's Pin Description to "LNA VCC supply"

Set LNA_VCC's Section to "Power"

Set LNA_VCC's Pin Group to "LNA"

Set LNA_VCC's Pin Orientation to "Top"

Set LNA_BIAS's Pin Type to "Passive"

Set LNA_BIAS's Pin Description to "LNA linearity bias resistor node"

Set LNA_BIAS's Section to "Analog"

Set LNA_BIAS's Pin Group to "LNA"

Set LNA_BIAS's Pin Orientation to "Left"

Set LNA_IN's Pin Type to "Input"

Set LNA_IN's Pin Description to "LNA signal input, DC blocked"

Set LNA_IN's Section to "RF"

Set LNA_IN's Pin Group to "LNA"

Set LNA_IN's Pin Orientation to "Left"

Set GND's Pin Type to "Ground"

Set GND's Pin Description to "Ground"

Set GND's Section to "Ground"

Set GND's Pin Group to "Ground"

Set GND's Pin Orientation to "Bottom"

Set ASW_RX's Pin Type to "Output"

Set ASW_RX's Pin Description to "Antenna switch RX output, DC blocked"

Set ASW_RX's Section to "RF"

Set ASW_RX's Pin Group to "ASW"

Set ASW_RX's Pin Orientation to "Right"

Set GND's Pin Type to "Ground"

Set GND's Pin Description to "Ground"

Set GND's Section to "Ground"

Set GND's Pin Group to "Ground"

Set GND's Pin Orientation to "Bottom"

Set GND's Pin Type to "Ground"

Set GND's Pin Description to "Ground"

Set GND's Section to "Ground"

Set GND's Pin Group to "Ground"

Set GND's Pin Orientation to "Bottom"

Set ANT2's Pin Type to "Bi-Directional"

Set ANT2's Pin Description to "Antenna 2 RF I/O, DC blocked"

Set ANT2's Section to "RF"

Set ANT2's Pin Group to "ANT"

Set ANT2's Pin Orientation to "Right"

Set GND's Pin Type to "Ground"

Set GND's Pin Description to "Ground"

Set GND's Section to "Ground"

Set GND's Pin Group to "Ground"

Set GND's Pin Orientation to "Bottom"

Set ANT1's Pin Type to "Bi-Directional"

Set ANT1's Pin Description to "Antenna 1 RF I/O, DC blocked"

Set ANT1's Section to "RF"

Set ANT1's Pin Group to "ANT"

Set ANT1's Pin Orientation to "Right"

Set GND's Pin Type to "Ground"

Set GND's Pin Description to "Ground"

Set GND's Section to "Ground"

Set GND's Pin Group to "Ground"

Set GND's Pin Orientation to "Bottom"

Set PA_VCC2's Pin Type to "Power In"

Set PA_VCC2's Pin Description to "PA second-stage battery bias"

Set PA_VCC2's Section to "Power"

Set PA_VCC2's Pin Group to "PA"

Set PA_VCC2's Pin Orientation to "Top"

Set PA_VCC1's Pin Type to "Power In"

Set PA_VCC1's Pin Description to "PA first-stage battery bias"

Set PA_VCC1's Section to "Power"

Set PA_VCC1's Pin Group to "PA"

Set PA_VCC1's Pin Orientation to "Top"

Set GND's Pin Type to "Ground"

Set GND's Pin Description to "Ground"

Set GND's Section to "Ground"

Set GND's Pin Group to "Ground"

Set GND's Pin Orientation to "Bottom"

Set PA2_IN's Pin Type to "Input"

Set PA2_IN's Pin Description to "PA 2nd-stage signal input"

Set PA2_IN's Section to "RF"

Set PA2_IN's Pin Group to "PA"

Set PA2_IN's Pin Orientation to "Left"

Set GND's Pin Type to "Ground"

Set GND's Pin Description to "Ground"

Set GND's Section to "Ground"

Set GND's Pin Group to "Ground"

Set GND's Pin Orientation to "Bottom"

Set PA1_OUT's Pin Type to "Output"

Set PA1_OUT's Pin Description to "PA 1st-stage output, DC blocked"

Set PA1_OUT's Section to "RF"

Set PA1_OUT's Pin Group to "PA"

Set PA1_OUT's Pin Orientation to "Right"

Set GND's Pin Type to "Ground"

Set GND's Pin Description to "Ground"

Set GND's Section to "Ground"

Set GND's Pin Group to "Ground"

Set GND's Pin Orientation to "Bottom"

Set PA1_IN's Pin Type to "Input"

Set PA1_IN's Pin Description to "PA 1st-stage input, DC blocked"

Set PA1_IN's Section to "RF"

Set PA1_IN's Pin Group to "PA"

Set PA1_IN's Pin Orientation to "Left"

Set GND's Pin Type to "Ground"

Set GND's Pin Description to "Ground"

Set GND's Section to "Ground"

Set GND's Pin Group to "Ground"

Set GND's Pin Orientation to "Bottom"

Set NC's Pin Type to "Not Connected"

Set NC's Pin Description to "Not connected in FEM"

Set NC's Section to "NC"

Set NC's Pin Group to "NC"

Set NC's Pin Orientation to "Right"

18h

Set Implementation Details to "Discontinued product. 50Ω RF ...", Set Operating Temperature to "-40 to +85", and 1 more

Set Implementation Details to "Discontinued product. 50Ω RF ports. LNA_BIAS may be left floating for high-bias mode or tied to GND through 51kΩ for low-bias..."

Set Operating Temperature to "-40 to +85"

Set Compliance to "RoHS, Lead-Free, Halogen-Free; ECCN EAR99; ITAR No"

18h

Set Pin Type to "Ground" on GND, Set Pin Description to "Central ground paddle / extra..." on GND, and 3 more changes

Set GND's Pin Type to "Ground"

Set GND's Pin Description to "Central ground paddle / extra footprint pad; not listed in 32-pin datasheet table"

Set GND's Section to "Ground"

Set GND's Pin Group to "Ground"

Set GND's Pin Orientation to "Bottom"

18h

flux

0:07

Updated the RFFM6901 part metadata with the official Qorvo datasheet URL, manufacturer/package/spec properties, project description, and synchronized terminal pin descriptions/types to the datasheet. The main issue found is a 32-pin datasheet table versus 33 project terminals/footprint pads; the extra GND pin 33 was documented as likely central ground paddle/extra footprint pad for review. Full details are in the RFFM6901 Datasheet Synchronization Report.
Fix extra GND
Identify ground paddle
Clarify pin count
Run ERC/DRC
Verify land pattern
18h
​
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VDIG
Pin Number
11
GND
Pin Number
29
GND
Pin Number
18
PA1_IN
Pin Number
30
LNA_BIAS
Pin Number
13
PA_VCC2
Pin Number
23
CTL4
Pin Number
9
LNA_IN
Pin Number
14
GND
Pin Number
31
LNA_VCC
Pin Number
12
GND
Pin Number
1
PA1_OUT
Pin Number
28
ASW_RX
Pin Number
16
GND
Pin Number
17
RFIO
Pin Number
2
GND
Pin Number
20
GND
Pin Number
27
GND
Pin Number
5
GND
Pin Number
3
PA2_IN
Pin Number
26
GND
Pin Number
25
GND
Pin Number
15
CTL1
Pin Number
6
ANT1
Pin Number
21
NC
Pin Number
32
ANT2
Pin Number
19
GND
Pin Number
22
NC
Pin Number
4
PA_VCC1
Pin Number
24
CTL5
Pin Number
10
CTL3
Pin Number
8
CTL2
Pin Number
7
GND
Pin Number
33

Reviews

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RFFM6901

RFFM6901 thumbnail
The RFFM6901 is a single-chip RF front-end module (FEM) designed for 868 MHz to 928 MHz ISM-band wireless communication applications. It integrates a high-power power amplifier (PA), low-noise amplifier (LNA), antenna diversity switch, and matching circuitry into a compact package, helping reduce external components, PCB space, and overall system cost. It is commonly used in smart energy systems, wireless metering, industrial monitoring, alarm systems, and other Sub-1 GHz wireless devices.
Key Features Operating frequency range: 868 MHz to 928 MHz Integrated 1 W power amplifier Up to +30 dBm transmit output power Integrated low-noise amplifier with bypass mode Dual-port antenna diversity switch Separate 50 Ω transmit and receive interfaces Compact 32-pin LGA package (6 mm × 6 mm) Supply voltage range: 2.8 V to 4.2 V Typical LNA gain: 17 dB Low receiver noise figure: 1.5 dB Designed for portable and battery-powered wireless systems RoHS compliant Typical Applications Smart energy and smart metering Wireless alarm and security systems ISM-band communication devices Industrial wireless sensors Portable RF equipment IoT Sub-1 GHz wireless systems Search across more sources

Properties

450

mA

-40 to +85

°C

RoHS, Lead-Free, Halogen-Free; ECCN EAR99; ITAR No

LGA-32

RFFM6901

868–928

MHz

2.8–4.2

V

Discontinued product. 50Ω RF ports. LNA_BIAS may be left floating for high-bias mode or tied to GND through 51kΩ for low-bias LNA current. Evaluation board uses 0.1µF and 1nF decoupling near supply/control pins. Control logic HIGH min 2.5V; LOW max 0.3V.

Qorvo

RF Front-End Module

mouser.com/datasheet/2/412/RFFM6901%20Data%20Sheet-1112583.pdf?srsltid=AfmBOoqj8mf54pxk7pxdUgXxEFk4Fy3fEp9k6zKXymx2RuhPXghgk__x

U

creativecommons.org/licenses/by/4.0/

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