Datasheet

bq78PL116
www.ti.com SLUSAB8B –OCTOBER 2010– REVISED FEBRUARY 2011
bq78PL116 TERMINAL FUNCTIONS (continued)
NAME NO. TYPE
(1)
DESCRIPTION
FIELD 29 O EPD field segment
LED1/SEG1 32 O LED1 – open-drain, active-low, LCD and EPD segment 1
LED2/SEG2 33 O LED2 – open-drain, active-low, LCD and EPD segment 2
LED3/SEG3 34 O LED3 – open-drain, active-low, LCD and EPD segment 3
LED4/SEG4 35 O LED4 – open-drain, active-low, LCD and EPD segment 4
LED5/SEG5 36 O LED5 – open-drain, active-low, LCD and EPD segment 5
N/C 26, 27 IO Connect 1-MΩ resistor to VSS
N/C 28 O No connect
OSCI 11 I External oscillator input (no connect, internal oscillator used)
OSCO 12 O External oscillator output (no connect, internal oscillator used)
P1N 15 O Charge-balance gate drive, cell 1 north
P2N 17 O Charge-balance gate drive, cell 2 north
P2S 16 O Charge-balance gate drive, cell 2 south
P3N 21 O Charge-balance gate drive, cell 3 north
P3S 20 O Charge-balance gate drive, cell 3 south
P4N 23 O Charge-balance gate drive, cell 4 north
P4S 22 O Charge-balance gate drive, cell 4 south
P-LAN 24 IO PowerLAN I/O to external bq76PL102 nodes
PRE 3 O Precharge MOSFET control (active-high)
PSH/BP/TP 31 IO Pushbutton detect for LED display, LCD backplane, EPD top plane and charge pump
RSTN 25 I Device reset, active-low
SDI1 14 I Connect to SDO0 via a capacitor
SDI3 19 I Internal PowerLAN connection – connect to SDO2 through a 0.01-μF capacitor
SDO0 13 O Requires 100-kΩ pullup resistor to VLDO1
SDO2 18 O Internal PowerLAN connection – connect to SDI3 through a 0.01-μF capacitor
SMBCLK 37 IO SMBus clock signal
SMBDAT 38 IO SMBus data signal
SPROT 30 O Secondary protection output, active-high (FUSE)
V1 47 IA Cell-1 positive input
V2 44 IA Cell-2 positive input
V3 42 IA Cell-3 positive input
V4 39 IA Cell-4 positive input
VLDO1 8 P Internal LDO-1 output, bypass with 10-μF capacitor to VSS
VLDO2 43 P Internal LDO-2 output, bypass with 10-μF capacitor to V2
VSS 48 IA Cell-1 negative input
XT1 46 IA External temperature-sensor-1 input
XT2 45 IA External temperature-sensor-2 input
XT3 41 IA External temperature-sensor-3 input
XT4 40 IA External temperature-sensor-4 input
– – P Thermal pad. Connect to VSS
© 2010–2011, Texas Instruments Incorporated Submit Documentation Feedback 5
Product Folder Link(s): bq78PL116